491378580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{293}}^1$

素因数の和:348

約数の個数: 288

約数和(自身を含む): 1880057088

約数和(自身を除く): 1388678508

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, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 293, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 586, 605, 630, 660, 693, 726, 770, 847, 879, 924, 990, 1089, 1155, 1172, 1210, 1260, 1331, 1386, 1452, 1465, 1540, 1694, 1758, 1815, 1980, 2051, 2178, 2310, 2420, 2541, 2637, 2662, 2772, 2930, 3223, 3388, 3465, 3516, 3630, 3993, 4102, 4235, 4356, 4395, 4620, 5082, 5274, 5324, 5445, 5860, 6153, 6446, 6655, 6930, 7260, 7623, 7986, 8204, 8470, 8790, 9317, 9669, 10164, 10255, 10548, 10890, 11979, 12306, 12705, 12892, 13185, 13310, 13860, 15246, 15972, 16115, 16940, 17580, 18459, 18634, 19338, 19965, 20510, 21780, 22561, 23958, 24612, 25410, 26370, 26620, 27951, 29007, 30492, 30765, 32230, 35453, 36918, 37268, 38115, 38676, 39930, 41020, 45122, 46585, 47916, 48345, 50820, 52740, 55902, 58014, 59895, 61530, 64460, 67683, 70906, 73836, 76230, 79860, 83853, 90244, 92295, 93170, 96690, 106359, 111804, 112805, 116028, 119790, 123060, 135366, 139755, 141812, 145035, 152460, 167706, 177265, 184590, 186340, 193380, 203049, 212718, 225610, 239580, 248171, 270732, 279510, 290070, 319077, 335412, 338415, 354530, 369180, 389983, 406098, 419265, 425436, 451220, 496342, 531795, 559020, 580140, 638154, 676830, 709060, 744513, 779966, 812196, 838530, 992684, 1015245, 1063590, 1169949, 1240855, 1276308, 1353660, 1489026, 1559932, 1595385, 1677060, 1949915, 2030490, 2127180, 2233539, 2339898, 2481710, 2729881, 2978052, 3190770, 3509847, 3722565, 3899830, 4060980, 4467078, 4679796, 4963420, 5459762, 5849745, 6381540, 7019694, 7445130, 7799660, 8189643, 8934156, 10919524, 11167695, 11699490, 13649405, 14039388, 14890260, 16379286, 17549235, 22335390, 23398980, 24568929, 27298810, 32758572, 35098470, 40948215, 44670780, 49137858, 54597620, 70196940, 81896430, 98275716, 122844645, 163792860, 245689290, 491378580]

約数ペア:

[(1, 491378580), (2, 245689290), (3, 163792860), (4, 122844645), (5, 98275716), (6, 81896430), (7, 70196940), (9, 54597620), (10, 49137858), (11, 44670780), (12, 40948215), (14, 35098470), (15, 32758572), (18, 27298810), (20, 24568929), (21, 23398980), (22, 22335390), (28, 17549235), (30, 16379286), (33, 14890260), (35, 14039388), (36, 13649405), (42, 11699490), (44, 11167695), (45, 10919524), (55, 8934156), (60, 8189643), (63, 7799660), (66, 7445130), (70, 7019694), (77, 6381540), (84, 5849745), (90, 5459762), (99, 4963420), (105, 4679796), (110, 4467078), (121, 4060980), (126, 3899830), (132, 3722565), (140, 3509847), (154, 3190770), (165, 2978052), (180, 2729881), (198, 2481710), (210, 2339898), (220, 2233539), (231, 2127180), (242, 2030490), (252, 1949915), (293, 1677060), (308, 1595385), (315, 1559932), (330, 1489026), (363, 1353660), (385, 1276308), (396, 1240855), (420, 1169949), (462, 1063590), (484, 1015245), (495, 992684), (586, 838530), (605, 812196), (630, 779966), (660, 744513), (693, 709060), (726, 676830), (770, 638154), (847, 580140), (879, 559020), (924, 531795), (990, 496342), (1089, 451220), (1155, 425436), (1172, 419265), (1210, 406098), (1260, 389983), (1331, 369180), (1386, 354530), (1452, 338415), (1465, 335412), (1540, 319077), (1694, 290070), (1758, 279510), (1815, 270732), (1980, 248171), (2051, 239580), (2178, 225610), (2310, 212718), (2420, 203049), (2541, 193380), (2637, 186340), (2662, 184590), (2772, 177265), (2930, 167706), (3223, 152460), (3388, 145035), (3465, 141812), (3516, 139755), (3630, 135366), (3993, 123060), (4102, 119790), (4235, 116028), (4356, 112805), (4395, 111804), (4620, 106359), (5082, 96690), (5274, 93170), (5324, 92295), (5445, 90244), (5860, 83853), (6153, 79860), (6446, 76230), (6655, 73836), (6930, 70906), (7260, 67683), (7623, 64460), (7986, 61530), (8204, 59895), (8470, 58014), (8790, 55902), (9317, 52740), (9669, 50820), (10164, 48345), (10255, 47916), (10548, 46585), (10890, 45122), (11979, 41020), (12306, 39930), (12705, 38676), (12892, 38115), (13185, 37268), (13310, 36918), (13860, 35453), (15246, 32230), (15972, 30765), (16115, 30492), (16940, 29007), (17580, 27951), (18459, 26620), (18634, 26370), (19338, 25410), (19965, 24612), (20510, 23958), (21780, 22561)]