707946280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 1615482000

約数和(自身を除く): 907535720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 397, 409, 436, 545, 794, 818, 872, 1090, 1588, 1636, 1985, 2045, 2180, 3176, 3272, 3970, 4090, 4360, 7940, 8180, 15880, 16360, 43273, 44581, 86546, 89162, 162373, 173092, 178324, 216365, 222905, 324746, 346184, 356648, 432730, 445810, 649492, 811865, 865460, 891620, 1298984, 1623730, 1730920, 1783240, 3247460, 6494920, 17698657, 35397314, 70794628, 88493285, 141589256, 176986570, 353973140, 707946280]

約数ペア:

[(1, 707946280), (2, 353973140), (4, 176986570), (5, 141589256), (8, 88493285), (10, 70794628), (20, 35397314), (40, 17698657), (109, 6494920), (218, 3247460), (397, 1783240), (409, 1730920), (436, 1623730), (545, 1298984), (794, 891620), (818, 865460), (872, 811865), (1090, 649492), (1588, 445810), (1636, 432730), (1985, 356648), (2045, 346184), (2180, 324746), (3176, 222905), (3272, 216365), (3970, 178324), (4090, 173092), (4360, 162373), (7940, 89162), (8180, 86546), (15880, 44581), (16360, 43273)]