72261980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{516157}}^1$

素因数の和:516173

約数の個数: 24

約数和(自身を含む): 173429088

約数和(自身を除く): 101167108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 516157, 1032314, 2064628, 2580785, 3613099, 5161570, 7226198, 10323140, 14452396, 18065495, 36130990, 72261980]

約数ペア:

[(1, 72261980), (2, 36130990), (4, 18065495), (5, 14452396), (7, 10323140), (10, 7226198), (14, 5161570), (20, 3613099), (28, 2580785), (35, 2064628), (70, 1032314), (140, 516157)]