20100285990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{86531}}^1$

素因数の和:86662

約数の個数: 96

約数和(自身を含む): 54670917600

約数和(自身を除く): 34570631610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 89, 90, 145, 174, 178, 261, 267, 290, 435, 445, 522, 534, 801, 870, 890, 1305, 1335, 1602, 2581, 2610, 2670, 4005, 5162, 7743, 8010, 12905, 15486, 23229, 25810, 38715, 46458, 77430, 86531, 116145, 173062, 232290, 259593, 432655, 519186, 778779, 865310, 1297965, 1557558, 2509399, 2595930, 3893895, 5018798, 7528197, 7701259, 7787790, 12546995, 15056394, 15402518, 22584591, 23103777, 25093990, 37640985, 38506295, 45169182, 46207554, 69311331, 75281970, 77012590, 112922955, 115518885, 138622662, 223336511, 225845910, 231037770, 346556655, 446673022, 670009533, 693113310, 1116682555, 1340019066, 2010028599, 2233365110, 3350047665, 4020057198, 6700095330, 10050142995, 20100285990]

約数ペア:

[(1, 20100285990), (2, 10050142995), (3, 6700095330), (5, 4020057198), (6, 3350047665), (9, 2233365110), (10, 2010028599), (15, 1340019066), (18, 1116682555), (29, 693113310), (30, 670009533), (45, 446673022), (58, 346556655), (87, 231037770), (89, 225845910), (90, 223336511), (145, 138622662), (174, 115518885), (178, 112922955), (261, 77012590), (267, 75281970), (290, 69311331), (435, 46207554), (445, 45169182), (522, 38506295), (534, 37640985), (801, 25093990), (870, 23103777), (890, 22584591), (1305, 15402518), (1335, 15056394), (1602, 12546995), (2581, 7787790), (2610, 7701259), (2670, 7528197), (4005, 5018798), (5162, 3893895), (7743, 2595930), (8010, 2509399), (12905, 1557558), (15486, 1297965), (23229, 865310), (25810, 778779), (38715, 519186), (46458, 432655), (77430, 259593), (86531, 232290), (116145, 173062)]