157195420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3682

約数の個数: 48

約数和(自身を含む): 345655296

約数和(自身を除く): 188459876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 3571, 4402, 7142, 8804, 11005, 14284, 17855, 22010, 35710, 44020, 71420, 110701, 221402, 253541, 442804, 507082, 553505, 1014164, 1107010, 1267705, 2214020, 2535410, 5070820, 7859771, 15719542, 31439084, 39298855, 78597710, 157195420]

約数ペア:

[(1, 157195420), (2, 78597710), (4, 39298855), (5, 31439084), (10, 15719542), (20, 7859771), (31, 5070820), (62, 2535410), (71, 2214020), (124, 1267705), (142, 1107010), (155, 1014164), (284, 553505), (310, 507082), (355, 442804), (620, 253541), (710, 221402), (1420, 110701), (2201, 71420), (3571, 44020), (4402, 35710), (7142, 22010), (8804, 17855), (11005, 14284)]