28419490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 31300190

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 47, 55, 94, 110, 115, 230, 235, 239, 253, 470, 478, 506, 517, 1034, 1081, 1195, 1265, 2162, 2390, 2530, 2585, 2629, 5170, 5258, 5405, 5497, 10810, 10994, 11233, 11891, 13145, 22466, 23782, 26290, 27485, 54970, 56165, 59455, 60467, 112330, 118910, 120934, 123563, 247126, 258359, 302335, 516718, 604670, 617815, 1235630, 1291795, 2583590, 2841949, 5683898, 14209745, 28419490]

約数ペア:

[(1, 28419490), (2, 14209745), (5, 5683898), (10, 2841949), (11, 2583590), (22, 1291795), (23, 1235630), (46, 617815), (47, 604670), (55, 516718), (94, 302335), (110, 258359), (115, 247126), (230, 123563), (235, 120934), (239, 118910), (253, 112330), (470, 60467), (478, 59455), (506, 56165), (517, 54970), (1034, 27485), (1081, 26290), (1195, 23782), (1265, 22466), (2162, 13145), (2390, 11891), (2530, 11233), (2585, 10994), (2629, 10810), (5170, 5497), (5258, 5405)]