1664402180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11888587}}^1$

素因数の和:11888603

約数の個数: 24

約数和(自身を含む): 3994565568

約数和(自身を除く): 2330163388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11888587, 23777174, 47554348, 59442935, 83220109, 118885870, 166440218, 237771740, 332880436, 416100545, 832201090, 1664402180]

約数ペア:

[(1, 1664402180), (2, 832201090), (4, 416100545), (5, 332880436), (7, 237771740), (10, 166440218), (14, 118885870), (20, 83220109), (28, 59442935), (35, 47554348), (70, 23777174), (140, 11888587)]