215009360

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{5881}}^1$

素因数の和:6351

約数の個数: 40

約数和(自身を含む): 501075816

約数和(自身を除く): 286066456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2285, 3656, 4570, 5881, 7312, 9140, 11762, 18280, 23524, 29405, 36560, 47048, 58810, 94096, 117620, 235240, 470480, 2687617, 5375234, 10750468, 13438085, 21500936, 26876170, 43001872, 53752340, 107504680, 215009360]

約数ペア:

[(1, 215009360), (2, 107504680), (4, 53752340), (5, 43001872), (8, 26876170), (10, 21500936), (16, 13438085), (20, 10750468), (40, 5375234), (80, 2687617), (457, 470480), (914, 235240), (1828, 117620), (2285, 94096), (3656, 58810), (4570, 47048), (5881, 36560), (7312, 29405), (9140, 23524), (11762, 18280)]