31059420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73951}}^1$

素因数の和:73970

約数の個数: 48

約数和(自身を含む): 99391488

約数和(自身を除く): 68332068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73951, 147902, 221853, 295804, 369755, 443706, 517657, 739510, 887412, 1035314, 1109265, 1479020, 1552971, 2070628, 2218530, 2588285, 3105942, 4437060, 5176570, 6211884, 7764855, 10353140, 15529710, 31059420]

約数ペア:

[(1, 31059420), (2, 15529710), (3, 10353140), (4, 7764855), (5, 6211884), (6, 5176570), (7, 4437060), (10, 3105942), (12, 2588285), (14, 2218530), (15, 2070628), (20, 1552971), (21, 1479020), (28, 1109265), (30, 1035314), (35, 887412), (42, 739510), (60, 517657), (70, 443706), (84, 369755), (105, 295804), (140, 221853), (210, 147902), (420, 73951)]