278370998780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1988364277}}^1$

素因数の和:1988364293

約数の個数: 24

約数和(自身を含む): 668090397408

約数和(自身を除く): 389719398628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1988364277, 3976728554, 7953457108, 9941821385, 13918549939, 19883642770, 27837099878, 39767285540, 55674199756, 69592749695, 139185499390, 278370998780]

約数ペア:

[(1, 278370998780), (2, 139185499390), (4, 69592749695), (5, 55674199756), (7, 39767285540), (10, 27837099878), (14, 19883642770), (20, 13918549939), (28, 9941821385), (35, 7953457108), (70, 3976728554), (140, 1988364277)]