31059980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3714

約数の個数: 48

約数和(自身を含む): 75786816

約数和(自身を除く): 44726836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3637, 4270, 7274, 8540, 14548, 18185, 25459, 36370, 50918, 72740, 101836, 127295, 221857, 254590, 443714, 509180, 887428, 1109285, 1552999, 2218570, 3105998, 4437140, 6211996, 7764995, 15529990, 31059980]

約数ペア:

[(1, 31059980), (2, 15529990), (4, 7764995), (5, 6211996), (7, 4437140), (10, 3105998), (14, 2218570), (20, 1552999), (28, 1109285), (35, 887428), (61, 509180), (70, 443714), (122, 254590), (140, 221857), (244, 127295), (305, 101836), (427, 72740), (610, 50918), (854, 36370), (1220, 25459), (1708, 18185), (2135, 14548), (3637, 8540), (4270, 7274)]