129395510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{3457}}^1$

素因数の和:3680

約数の個数: 32

約数和(自身を含む): 246486240

約数和(自身を除く): 117090730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1970, 3457, 3743, 6914, 7486, 17285, 18715, 34570, 37430, 65683, 131366, 328415, 656830, 681029, 1362058, 3405145, 6810290, 12939551, 25879102, 64697755, 129395510]

約数ペア:

[(1, 129395510), (2, 64697755), (5, 25879102), (10, 12939551), (19, 6810290), (38, 3405145), (95, 1362058), (190, 681029), (197, 656830), (394, 328415), (985, 131366), (1970, 65683), (3457, 37430), (3743, 34570), (6914, 18715), (7486, 17285)]