109418980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2081}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 251838720

約数和(自身を除く): 142419740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2081, 2390, 2629, 4162, 4780, 5258, 8324, 10405, 10516, 13145, 20810, 22891, 26290, 41620, 45782, 52580, 91564, 114455, 228910, 457820, 497359, 994718, 1989436, 2486795, 4973590, 5470949, 9947180, 10941898, 21883796, 27354745, 54709490, 109418980]

約数ペア:

[(1, 109418980), (2, 54709490), (4, 27354745), (5, 21883796), (10, 10941898), (11, 9947180), (20, 5470949), (22, 4973590), (44, 2486795), (55, 1989436), (110, 994718), (220, 497359), (239, 457820), (478, 228910), (956, 114455), (1195, 91564), (2081, 52580), (2390, 45782), (2629, 41620), (4162, 26290), (4780, 22891), (5258, 20810), (8324, 13145), (10405, 10516)]