201779780

素因数分解:

$2^2\times 5^1\times {\mathrm{2707}}^1\times {\mathrm{3727}}^1$

素因数の和:6443

約数の個数: 24

約数和(自身を含む): 424007808

約数和(自身を除く): 222228028

約数列:

[1, 2, 4, 5, 10, 20, 2707, 3727, 5414, 7454, 10828, 13535, 14908, 18635, 27070, 37270, 54140, 74540, 10088989, 20177978, 40355956, 50444945, 100889890, 201779780]

約数ペア:

[(1, 201779780), (2, 100889890), (4, 50444945), (5, 40355956), (10, 20177978), (20, 10088989), (2707, 74540), (3727, 54140), (5414, 37270), (7454, 27070), (10828, 18635), (13535, 14908)]