72940780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331549}}^1$

素因数の和:331569

約数の個数: 24

約数和(自身を含む): 167101200

約数和(自身を除く): 94160420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331549, 663098, 1326196, 1657745, 3315490, 3647039, 6630980, 7294078, 14588156, 18235195, 36470390, 72940780]

約数ペア:

[(1, 72940780), (2, 36470390), (4, 18235195), (5, 14588156), (10, 7294078), (11, 6630980), (20, 3647039), (22, 3315490), (44, 1657745), (55, 1326196), (110, 663098), (220, 331549)]