8404490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 15904080

約数和(自身を除く): 7499590

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 397, 730, 794, 1985, 2117, 3970, 4234, 10585, 11513, 21170, 23026, 28981, 57565, 57962, 115130, 144905, 289810, 840449, 1680898, 4202245, 8404490]

約数ペア:

[(1, 8404490), (2, 4202245), (5, 1680898), (10, 840449), (29, 289810), (58, 144905), (73, 115130), (145, 57962), (146, 57565), (290, 28981), (365, 23026), (397, 21170), (730, 11513), (794, 10585), (1985, 4234), (2117, 3970)]