129002980

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{8971}}^1$

素因数の和:9699

約数の個数: 24

約数和(自身を含む): 271313280

約数和(自身を除く): 142310300

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 7190, 8971, 14380, 17942, 35884, 44855, 89710, 179420, 6450149, 12900298, 25800596, 32250745, 64501490, 129002980]

約数ペア:

[(1, 129002980), (2, 64501490), (4, 32250745), (5, 25800596), (10, 12900298), (20, 6450149), (719, 179420), (1438, 89710), (2876, 44855), (3595, 35884), (7190, 17942), (8971, 14380)]