420565540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{725113}}^1$

素因数の和:725151

約数の個数: 24

約数和(自身を含む): 913643640

約数和(自身を除く): 493078100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 725113, 1450226, 2900452, 3625565, 7251130, 14502260, 21028277, 42056554, 84113108, 105141385, 210282770, 420565540]

約数ペア:

[(1, 420565540), (2, 210282770), (4, 105141385), (5, 84113108), (10, 42056554), (20, 21028277), (29, 14502260), (58, 7251130), (116, 3625565), (145, 2900452), (290, 1450226), (580, 725113)]