257200020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 324

約数和(自身を含む): 1001692692

約数和(自身を除く): 744492672

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, 241, 242, 245, 252, 294, 308, 315, 330, 363, 385, 396, 420, 441, 462, 482, 484, 490, 495, 539, 588, 605, 630, 660, 693, 723, 726, 735, 770, 847, 882, 924, 964, 980, 990, 1078, 1089, 1155, 1205, 1210, 1260, 1386, 1446, 1452, 1470, 1540, 1617, 1687, 1694, 1764, 1815, 1980, 2156, 2169, 2178, 2205, 2310, 2410, 2420, 2541, 2651, 2695, 2772, 2892, 2940, 3234, 3374, 3388, 3465, 3615, 3630, 4235, 4338, 4356, 4410, 4620, 4820, 4851, 5061, 5082, 5302, 5390, 5445, 5929, 6468, 6748, 6930, 7230, 7260, 7623, 7953, 8085, 8435, 8470, 8676, 8820, 9702, 10122, 10164, 10604, 10780, 10845, 10890, 11809, 11858, 12705, 13255, 13860, 14460, 15183, 15246, 15906, 16170, 16870, 16940, 17787, 18557, 19404, 20244, 21690, 21780, 23618, 23716, 23859, 24255, 25305, 25410, 26510, 29161, 29645, 30366, 30492, 31812, 32340, 33740, 35427, 35574, 37114, 38115, 39765, 43380, 47236, 47718, 48510, 50610, 50820, 53020, 53361, 55671, 58322, 59045, 59290, 60732, 70854, 71148, 74228, 75915, 76230, 79530, 87483, 88935, 92785, 95436, 97020, 101220, 106281, 106722, 111342, 116644, 118090, 118580, 119295, 129899, 141708, 145805, 151830, 152460, 159060, 167013, 174966, 177135, 177870, 185570, 204127, 212562, 213444, 222684, 236180, 238590, 259798, 262449, 266805, 278355, 291610, 303660, 334026, 349932, 354270, 355740, 371140, 389697, 408254, 425124, 437415, 477180, 519596, 524898, 531405, 533610, 556710, 583220, 612381, 649495, 668052, 708540, 779394, 816508, 835065, 874830, 1020635, 1049796, 1062810, 1067220, 1113420, 1169091, 1224762, 1298990, 1312245, 1428889, 1558788, 1670130, 1749660, 1837143, 1948485, 2041270, 2125620, 2338182, 2449524, 2597980, 2624490, 2857778, 3061905, 3340260, 3674286, 3896970, 4082540, 4286667, 4676364, 5248980, 5715556, 5845455, 6123810, 7144445, 7348572, 7793940, 8573334, 9185715, 11690910, 12247620, 12860001, 14288890, 17146668, 18371430, 21433335, 23381820, 25720002, 28577780, 36742860, 42866670, 51440004, 64300005, 85733340, 128600010, 257200020]

約数ペア:

[(1, 257200020), (2, 128600010), (3, 85733340), (4, 64300005), (5, 51440004), (6, 42866670), (7, 36742860), (9, 28577780), (10, 25720002), (11, 23381820), (12, 21433335), (14, 18371430), (15, 17146668), (18, 14288890), (20, 12860001), (21, 12247620), (22, 11690910), (28, 9185715), (30, 8573334), (33, 7793940), (35, 7348572), (36, 7144445), (42, 6123810), (44, 5845455), (45, 5715556), (49, 5248980), (55, 4676364), (60, 4286667), (63, 4082540), (66, 3896970), (70, 3674286), (77, 3340260), (84, 3061905), (90, 2857778), (98, 2624490), (99, 2597980), (105, 2449524), (110, 2338182), (121, 2125620), (126, 2041270), (132, 1948485), (140, 1837143), (147, 1749660), (154, 1670130), (165, 1558788), (180, 1428889), (196, 1312245), (198, 1298990), (210, 1224762), (220, 1169091), (231, 1113420), (241, 1067220), (242, 1062810), (245, 1049796), (252, 1020635), (294, 874830), (308, 835065), (315, 816508), (330, 779394), (363, 708540), (385, 668052), (396, 649495), (420, 612381), (441, 583220), (462, 556710), (482, 533610), (484, 531405), (490, 524898), (495, 519596), (539, 477180), (588, 437415), (605, 425124), (630, 408254), (660, 389697), (693, 371140), (723, 355740), (726, 354270), (735, 349932), (770, 334026), (847, 303660), (882, 291610), (924, 278355), (964, 266805), (980, 262449), (990, 259798), (1078, 238590), (1089, 236180), (1155, 222684), (1205, 213444), (1210, 212562), (1260, 204127), (1386, 185570), (1446, 177870), (1452, 177135), (1470, 174966), (1540, 167013), (1617, 159060), (1687, 152460), (1694, 151830), (1764, 145805), (1815, 141708), (1980, 129899), (2156, 119295), (2169, 118580), (2178, 118090), (2205, 116644), (2310, 111342), (2410, 106722), (2420, 106281), (2541, 101220), (2651, 97020), (2695, 95436), (2772, 92785), (2892, 88935), (2940, 87483), (3234, 79530), (3374, 76230), (3388, 75915), (3465, 74228), (3615, 71148), (3630, 70854), (4235, 60732), (4338, 59290), (4356, 59045), (4410, 58322), (4620, 55671), (4820, 53361), (4851, 53020), (5061, 50820), (5082, 50610), (5302, 48510), (5390, 47718), (5445, 47236), (5929, 43380), (6468, 39765), (6748, 38115), (6930, 37114), (7230, 35574), (7260, 35427), (7623, 33740), (7953, 32340), (8085, 31812), (8435, 30492), (8470, 30366), (8676, 29645), (8820, 29161), (9702, 26510), (10122, 25410), (10164, 25305), (10604, 24255), (10780, 23859), (10845, 23716), (10890, 23618), (11809, 21780), (11858, 21690), (12705, 20244), (13255, 19404), (13860, 18557), (14460, 17787), (15183, 16940), (15246, 16870), (15906, 16170)]