74151380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 161817600

約数和(自身を除く): 87666220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 601, 620, 796, 995, 1202, 1990, 2404, 3005, 3980, 6010, 6169, 12020, 12338, 18631, 24676, 30845, 37262, 61690, 74524, 93155, 119599, 123380, 186310, 239198, 372620, 478396, 597995, 1195990, 2391980, 3707569, 7415138, 14830276, 18537845, 37075690, 74151380]

約数ペア:

[(1, 74151380), (2, 37075690), (4, 18537845), (5, 14830276), (10, 7415138), (20, 3707569), (31, 2391980), (62, 1195990), (124, 597995), (155, 478396), (199, 372620), (310, 239198), (398, 186310), (601, 123380), (620, 119599), (796, 93155), (995, 74524), (1202, 61690), (1990, 37262), (2404, 30845), (3005, 24676), (3980, 18631), (6010, 12338), (6169, 12020)]