853593680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{701}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 2055725568

約数和(自身を除く): 1202131888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 491, 496, 620, 701, 982, 1240, 1402, 1964, 2455, 2480, 2804, 3505, 3928, 4910, 5608, 7010, 7856, 9820, 11216, 14020, 15221, 19640, 21731, 28040, 30442, 39280, 43462, 56080, 60884, 76105, 86924, 108655, 121768, 152210, 173848, 217310, 243536, 304420, 344191, 347696, 434620, 608840, 688382, 869240, 1217680, 1376764, 1720955, 1738480, 2753528, 3441910, 5507056, 6883820, 10669921, 13767640, 21339842, 27535280, 42679684, 53349605, 85359368, 106699210, 170718736, 213398420, 426796840, 853593680]

約数ペア:

[(1, 853593680), (2, 426796840), (4, 213398420), (5, 170718736), (8, 106699210), (10, 85359368), (16, 53349605), (20, 42679684), (31, 27535280), (40, 21339842), (62, 13767640), (80, 10669921), (124, 6883820), (155, 5507056), (248, 3441910), (310, 2753528), (491, 1738480), (496, 1720955), (620, 1376764), (701, 1217680), (982, 869240), (1240, 688382), (1402, 608840), (1964, 434620), (2455, 347696), (2480, 344191), (2804, 304420), (3505, 243536), (3928, 217310), (4910, 173848), (5608, 152210), (7010, 121768), (7856, 108655), (9820, 86924), (11216, 76105), (14020, 60884), (15221, 56080), (19640, 43462), (21731, 39280), (28040, 30442)]