205955860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3917}}^1$

素因数の和:4176

約数の個数: 48

約数和(自身を含む): 473921280

約数和(自身を除く): 267965420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 3917, 4780, 5258, 7834, 10516, 13145, 15668, 19585, 26290, 39170, 43087, 52580, 78340, 86174, 172348, 215435, 430870, 861740, 936163, 1872326, 3744652, 4680815, 9361630, 10297793, 18723260, 20595586, 41191172, 51488965, 102977930, 205955860]

約数ペア:

[(1, 205955860), (2, 102977930), (4, 51488965), (5, 41191172), (10, 20595586), (11, 18723260), (20, 10297793), (22, 9361630), (44, 4680815), (55, 3744652), (110, 1872326), (220, 936163), (239, 861740), (478, 430870), (956, 215435), (1195, 172348), (2390, 86174), (2629, 78340), (3917, 52580), (4780, 43087), (5258, 39170), (7834, 26290), (10516, 19585), (13145, 15668)]