12678430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 25065936

約数和(自身を除く): 12387506

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 107, 170, 205, 214, 289, 410, 535, 578, 697, 1070, 1394, 1445, 1819, 2890, 3485, 3638, 4387, 6970, 8774, 9095, 11849, 18190, 21935, 23698, 30923, 43870, 59245, 61846, 74579, 118490, 149158, 154615, 309230, 372895, 745790, 1267843, 2535686, 6339215, 12678430]

約数ペア:

[(1, 12678430), (2, 6339215), (5, 2535686), (10, 1267843), (17, 745790), (34, 372895), (41, 309230), (82, 154615), (85, 149158), (107, 118490), (170, 74579), (205, 61846), (214, 59245), (289, 43870), (410, 30923), (535, 23698), (578, 21935), (697, 18190), (1070, 11849), (1394, 9095), (1445, 8774), (1819, 6970), (2890, 4387), (3485, 3638)]