256484990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{46549}}^1$

素因数の和:46604

約数の個数: 32

約数和(自身を含む): 502740000

約数和(自身を除く): 246255010

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 46549, 93098, 232745, 465490, 884431, 1349921, 1768862, 2699842, 4422155, 6749605, 8844310, 13499210, 25648499, 51296998, 128242495, 256484990]

約数ペア:

[(1, 256484990), (2, 128242495), (5, 51296998), (10, 25648499), (19, 13499210), (29, 8844310), (38, 6749605), (58, 4422155), (95, 2699842), (145, 1768862), (190, 1349921), (290, 884431), (551, 465490), (1102, 232745), (2755, 93098), (5510, 46549)]