491988420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 324

約数和(自身を含む): 1912322412

約数和(自身を除く): 1420333992

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 121, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 242, 245, 252, 294, 308, 315, 330, 363, 385, 396, 420, 441, 461, 462, 484, 490, 495, 539, 588, 605, 630, 660, 693, 726, 735, 770, 847, 882, 922, 924, 980, 990, 1078, 1089, 1155, 1210, 1260, 1383, 1386, 1452, 1470, 1540, 1617, 1694, 1764, 1815, 1844, 1980, 2156, 2178, 2205, 2305, 2310, 2420, 2541, 2695, 2766, 2772, 2940, 3227, 3234, 3388, 3465, 3630, 4149, 4235, 4356, 4410, 4610, 4620, 4851, 5071, 5082, 5390, 5445, 5532, 5929, 6454, 6468, 6915, 6930, 7260, 7623, 8085, 8298, 8470, 8820, 9220, 9681, 9702, 10142, 10164, 10780, 10890, 11858, 12705, 12908, 13830, 13860, 15213, 15246, 16135, 16170, 16596, 16940, 17787, 19362, 19404, 20284, 20745, 21780, 22589, 23716, 24255, 25355, 25410, 27660, 29043, 29645, 30426, 30492, 32270, 32340, 35497, 35574, 38115, 38724, 41490, 45178, 45639, 48405, 48510, 50710, 50820, 53361, 55781, 58086, 59290, 60852, 64540, 67767, 70994, 71148, 76065, 76230, 82980, 88935, 90356, 91278, 96810, 97020, 101420, 106491, 106722, 111562, 112945, 116172, 118580, 135534, 141988, 145215, 152130, 152460, 167343, 177485, 177870, 182556, 193620, 203301, 212982, 213444, 223124, 225890, 228195, 248479, 266805, 271068, 278905, 290430, 304260, 319473, 334686, 338835, 354970, 355740, 390467, 406602, 425964, 451780, 456390, 496958, 502029, 532455, 533610, 557810, 580860, 638946, 669372, 677670, 709940, 745437, 780934, 813204, 836715, 912780, 993916, 1004058, 1016505, 1064910, 1067220, 1115620, 1171401, 1242395, 1277892, 1355340, 1490874, 1561868, 1597365, 1673430, 1952335, 2008116, 2033010, 2129820, 2236311, 2342802, 2484790, 2510145, 2733269, 2981748, 3194730, 3346860, 3514203, 3727185, 3904670, 4066020, 4472622, 4685604, 4969580, 5020290, 5466538, 5857005, 6389460, 7028406, 7454370, 7809340, 8199807, 8945244, 10040580, 10933076, 11181555, 11714010, 13666345, 14056812, 14908740, 16399614, 17571015, 22363110, 23428020, 24599421, 27332690, 32799228, 35142030, 40999035, 44726220, 49198842, 54665380, 70284060, 81998070, 98397684, 122997105, 163996140, 245994210, 491988420]

約数ペア:

[(1, 491988420), (2, 245994210), (3, 163996140), (4, 122997105), (5, 98397684), (6, 81998070), (7, 70284060), (9, 54665380), (10, 49198842), (11, 44726220), (12, 40999035), (14, 35142030), (15, 32799228), (18, 27332690), (20, 24599421), (21, 23428020), (22, 22363110), (28, 17571015), (30, 16399614), (33, 14908740), (35, 14056812), (36, 13666345), (42, 11714010), (44, 11181555), (45, 10933076), (49, 10040580), (55, 8945244), (60, 8199807), (63, 7809340), (66, 7454370), (70, 7028406), (77, 6389460), (84, 5857005), (90, 5466538), (98, 5020290), (99, 4969580), (105, 4685604), (110, 4472622), (121, 4066020), (126, 3904670), (132, 3727185), (140, 3514203), (147, 3346860), (154, 3194730), (165, 2981748), (180, 2733269), (196, 2510145), (198, 2484790), (210, 2342802), (220, 2236311), (231, 2129820), (242, 2033010), (245, 2008116), (252, 1952335), (294, 1673430), (308, 1597365), (315, 1561868), (330, 1490874), (363, 1355340), (385, 1277892), (396, 1242395), (420, 1171401), (441, 1115620), (461, 1067220), (462, 1064910), (484, 1016505), (490, 1004058), (495, 993916), (539, 912780), (588, 836715), (605, 813204), (630, 780934), (660, 745437), (693, 709940), (726, 677670), (735, 669372), (770, 638946), (847, 580860), (882, 557810), (922, 533610), (924, 532455), (980, 502029), (990, 496958), (1078, 456390), (1089, 451780), (1155, 425964), (1210, 406602), (1260, 390467), (1383, 355740), (1386, 354970), (1452, 338835), (1470, 334686), (1540, 319473), (1617, 304260), (1694, 290430), (1764, 278905), (1815, 271068), (1844, 266805), (1980, 248479), (2156, 228195), (2178, 225890), (2205, 223124), (2305, 213444), (2310, 212982), (2420, 203301), (2541, 193620), (2695, 182556), (2766, 177870), (2772, 177485), (2940, 167343), (3227, 152460), (3234, 152130), (3388, 145215), (3465, 141988), (3630, 135534), (4149, 118580), (4235, 116172), (4356, 112945), (4410, 111562), (4610, 106722), (4620, 106491), (4851, 101420), (5071, 97020), (5082, 96810), (5390, 91278), (5445, 90356), (5532, 88935), (5929, 82980), (6454, 76230), (6468, 76065), (6915, 71148), (6930, 70994), (7260, 67767), (7623, 64540), (8085, 60852), (8298, 59290), (8470, 58086), (8820, 55781), (9220, 53361), (9681, 50820), (9702, 50710), (10142, 48510), (10164, 48405), (10780, 45639), (10890, 45178), (11858, 41490), (12705, 38724), (12908, 38115), (13830, 35574), (13860, 35497), (15213, 32340), (15246, 32270), (16135, 30492), (16170, 30426), (16596, 29645), (16940, 29043), (17787, 27660), (19362, 25410), (19404, 25355), (20284, 24255), (20745, 23716), (21780, 22589)]