245909620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{14149}}^1$

素因数の和:14248

約数の個数: 48

約数和(自身を含む): 570528000

約数和(自身を除く): 324618380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 14149, 17380, 28298, 56596, 70745, 141490, 155639, 282980, 311278, 622556, 778195, 1117771, 1556390, 2235542, 3112780, 4471084, 5588855, 11177710, 12295481, 22355420, 24590962, 49181924, 61477405, 122954810, 245909620]

約数ペア:

[(1, 245909620), (2, 122954810), (4, 61477405), (5, 49181924), (10, 24590962), (11, 22355420), (20, 12295481), (22, 11177710), (44, 5588855), (55, 4471084), (79, 3112780), (110, 2235542), (158, 1556390), (220, 1117771), (316, 778195), (395, 622556), (790, 311278), (869, 282980), (1580, 155639), (1738, 141490), (3476, 70745), (4345, 56596), (8690, 28298), (14149, 17380)]