856553540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{1567}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 1821840384

約数和(自身を除く): 965286844

約数列:

[1, 2, 4, 5, 10, 20, 151, 181, 302, 362, 604, 724, 755, 905, 1510, 1567, 1810, 3020, 3134, 3620, 6268, 7835, 15670, 27331, 31340, 54662, 109324, 136655, 236617, 273310, 283627, 473234, 546620, 567254, 946468, 1134508, 1183085, 1418135, 2366170, 2836270, 4732340, 5672540, 42827677, 85655354, 171310708, 214138385, 428276770, 856553540]

約数ペア:

[(1, 856553540), (2, 428276770), (4, 214138385), (5, 171310708), (10, 85655354), (20, 42827677), (151, 5672540), (181, 4732340), (302, 2836270), (362, 2366170), (604, 1418135), (724, 1183085), (755, 1134508), (905, 946468), (1510, 567254), (1567, 546620), (1810, 473234), (3020, 283627), (3134, 273310), (3620, 236617), (6268, 136655), (7835, 109324), (15670, 54662), (27331, 31340)]