830173180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{18859}}^1$

素因数の和:18970

約数の個数: 48

約数和(自身を含む): 1825044480

約数和(自身を除く): 994871300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 18859, 22010, 37718, 44020, 75436, 94295, 188590, 377180, 584629, 1169258, 1338989, 2338516, 2677978, 2923145, 5355956, 5846290, 6694945, 11692580, 13389890, 26779780, 41508659, 83017318, 166034636, 207543295, 415086590, 830173180]

約数ペア:

[(1, 830173180), (2, 415086590), (4, 207543295), (5, 166034636), (10, 83017318), (20, 41508659), (31, 26779780), (62, 13389890), (71, 11692580), (124, 6694945), (142, 5846290), (155, 5355956), (284, 2923145), (310, 2677978), (355, 2338516), (620, 1338989), (710, 1169258), (1420, 584629), (2201, 377180), (4402, 188590), (8804, 94295), (11005, 75436), (18859, 44020), (22010, 37718)]