320440928

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{27739}}^1$

素因数の和:27787

約数の個数: 36

約数和(自身を含む): 665843220

約数和(自身を除く): 345402292

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 2888, 5776, 11552, 27739, 55478, 110956, 221912, 443824, 527041, 887648, 1054082, 2108164, 4216328, 8432656, 10013779, 16865312, 20027558, 40055116, 80110232, 160220464, 320440928]

約数ペア:

[(1, 320440928), (2, 160220464), (4, 80110232), (8, 40055116), (16, 20027558), (19, 16865312), (32, 10013779), (38, 8432656), (76, 4216328), (152, 2108164), (304, 1054082), (361, 887648), (608, 527041), (722, 443824), (1444, 221912), (2888, 110956), (5776, 55478), (11552, 27739)]