129386980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5441}}^1$

素因数の和:5520

約数の個数: 48

約数和(自身を含む): 287990640

約数和(自身を除く): 158603660

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5441, 5945, 10882, 11890, 21764, 23780, 27205, 54410, 108820, 157789, 223081, 315578, 446162, 631156, 788945, 892324, 1115405, 1577890, 2230810, 3155780, 4461620, 6469349, 12938698, 25877396, 32346745, 64693490, 129386980]

約数ペア:

[(1, 129386980), (2, 64693490), (4, 32346745), (5, 25877396), (10, 12938698), (20, 6469349), (29, 4461620), (41, 3155780), (58, 2230810), (82, 1577890), (116, 1115405), (145, 892324), (164, 788945), (205, 631156), (290, 446162), (410, 315578), (580, 223081), (820, 157789), (1189, 108820), (2378, 54410), (4756, 27205), (5441, 23780), (5945, 21764), (10882, 11890)]