399387710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1\times {\mathrm{1607}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 745018560

約数和(自身を除く): 345630850

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 857, 1607, 1714, 3214, 4285, 8035, 8570, 16070, 24853, 46603, 49706, 93206, 124265, 233015, 248530, 466030, 1377199, 2754398, 6885995, 13771990, 39938771, 79877542, 199693855, 399387710]

約数ペア:

[(1, 399387710), (2, 199693855), (5, 79877542), (10, 39938771), (29, 13771990), (58, 6885995), (145, 2754398), (290, 1377199), (857, 466030), (1607, 248530), (1714, 233015), (3214, 124265), (4285, 93206), (8035, 49706), (8570, 46603), (16070, 24853)]