269491640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{612481}}^1$

素因数の和:612503

約数の個数: 32

約数和(自身を含む): 661480560

約数和(自身を除く): 391988920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 612481, 1224962, 2449924, 3062405, 4899848, 6124810, 6737291, 12249620, 13474582, 24499240, 26949164, 33686455, 53898328, 67372910, 134745820, 269491640]

約数ペア:

[(1, 269491640), (2, 134745820), (4, 67372910), (5, 53898328), (8, 33686455), (10, 26949164), (11, 24499240), (20, 13474582), (22, 12249620), (40, 6737291), (44, 6124810), (55, 4899848), (88, 3062405), (110, 2449924), (220, 1224962), (440, 612481)]