649208990

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1\times {\mathrm{1429}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 1180539360

約数和(自身を除く): 531330370

約数列:

[1, 2, 5, 10, 181, 251, 362, 502, 905, 1255, 1429, 1810, 2510, 2858, 7145, 14290, 45431, 90862, 227155, 258649, 358679, 454310, 517298, 717358, 1293245, 1793395, 2586490, 3586790, 64920899, 129841798, 324604495, 649208990]

約数ペア:

[(1, 649208990), (2, 324604495), (5, 129841798), (10, 64920899), (181, 3586790), (251, 2586490), (362, 1793395), (502, 1293245), (905, 717358), (1255, 517298), (1429, 454310), (1810, 358679), (2510, 258649), (2858, 227155), (7145, 90862), (14290, 45431)]