188288980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3581}}^1$

素因数の和:3840

約数の個数: 48

約数和(自身を含む): 433278720

約数和(自身を除く): 244989740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 3581, 4780, 5258, 7162, 10516, 13145, 14324, 17905, 26290, 35810, 39391, 52580, 71620, 78782, 157564, 196955, 393910, 787820, 855859, 1711718, 3423436, 4279295, 8558590, 9414449, 17117180, 18828898, 37657796, 47072245, 94144490, 188288980]

約数ペア:

[(1, 188288980), (2, 94144490), (4, 47072245), (5, 37657796), (10, 18828898), (11, 17117180), (20, 9414449), (22, 8558590), (44, 4279295), (55, 3423436), (110, 1711718), (220, 855859), (239, 787820), (478, 393910), (956, 196955), (1195, 157564), (2390, 78782), (2629, 71620), (3581, 52580), (4780, 39391), (5258, 35810), (7162, 26290), (10516, 17905), (13145, 14324)]