66774680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238481}}^1$

素因数の和:238499

約数の個数: 32

約数和(自身を含む): 171707040

約数和(自身を除く): 104932360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238481, 476962, 953924, 1192405, 1669367, 1907848, 2384810, 3338734, 4769620, 6677468, 8346835, 9539240, 13354936, 16693670, 33387340, 66774680]

約数ペア:

[(1, 66774680), (2, 33387340), (4, 16693670), (5, 13354936), (7, 9539240), (8, 8346835), (10, 6677468), (14, 4769620), (20, 3338734), (28, 2384810), (35, 1907848), (40, 1669367), (56, 1192405), (70, 953924), (140, 476962), (280, 238481)]