256467710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{27197}}^1$

素因数の和:27268

約数の個数: 32

約数和(自身を含む): 493480512

約数和(自身を除く): 237012802

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 9430, 27197, 54394, 135985, 271970, 625531, 1115077, 1251062, 2230154, 3127655, 5575385, 6255310, 11150770, 25646771, 51293542, 128233855, 256467710]

約数ペア:

[(1, 256467710), (2, 128233855), (5, 51293542), (10, 25646771), (23, 11150770), (41, 6255310), (46, 5575385), (82, 3127655), (115, 2230154), (205, 1251062), (230, 1115077), (410, 625531), (943, 271970), (1886, 135985), (4715, 54394), (9430, 27197)]