31400210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 58752000

約数和(自身を除く): 27351790

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 310, 398, 509, 995, 1018, 1990, 2545, 5090, 6169, 12338, 15779, 30845, 31558, 61690, 78895, 101291, 157790, 202582, 506455, 1012910, 3140021, 6280042, 15700105, 31400210]

約数ペア:

[(1, 31400210), (2, 15700105), (5, 6280042), (10, 3140021), (31, 1012910), (62, 506455), (155, 202582), (199, 157790), (310, 101291), (398, 78895), (509, 61690), (995, 31558), (1018, 30845), (1990, 15779), (2545, 12338), (5090, 6169)]