72641380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{518867}}^1$

素因数の和:518883

約数の個数: 24

約数和(自身を含む): 174339648

約数和(自身を除く): 101698268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 518867, 1037734, 2075468, 2594335, 3632069, 5188670, 7264138, 10377340, 14528276, 18160345, 36320690, 72641380]

約数ペア:

[(1, 72641380), (2, 36320690), (4, 18160345), (5, 14528276), (7, 10377340), (10, 7264138), (14, 5188670), (20, 3632069), (28, 2594335), (35, 2075468), (70, 1037734), (140, 518867)]