408060860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1200179}}^1$

素因数の和:1200205

約数の個数: 24

約数和(自身を含む): 907336080

約数和(自身を除く): 499275220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1200179, 2400358, 4800716, 6000895, 12001790, 20403043, 24003580, 40806086, 81612172, 102015215, 204030430, 408060860]

約数ペア:

[(1, 408060860), (2, 204030430), (4, 102015215), (5, 81612172), (10, 40806086), (17, 24003580), (20, 20403043), (34, 12001790), (68, 6000895), (85, 4800716), (170, 2400358), (340, 1200179)]