218675710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1259}}^1\times {\mathrm{1579}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 430012800

約数和(自身を除く): 211337090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1259, 1579, 2518, 3158, 6295, 7895, 12590, 13849, 15790, 17369, 27698, 34738, 69245, 86845, 138490, 173690, 1987961, 3975922, 9939805, 19879610, 21867571, 43735142, 109337855, 218675710]

約数ペア:

[(1, 218675710), (2, 109337855), (5, 43735142), (10, 21867571), (11, 19879610), (22, 9939805), (55, 3975922), (110, 1987961), (1259, 173690), (1579, 138490), (2518, 86845), (3158, 69245), (6295, 34738), (7895, 27698), (12590, 17369), (13849, 15790)]