200399710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{408979}}^1$

素因数の和:409000

約数の個数: 24

約数和(自身を含む): 419613480

約数和(自身を除く): 219213770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 408979, 817958, 2044895, 2862853, 4089790, 5725706, 14314265, 20039971, 28628530, 40079942, 100199855, 200399710]

約数ペア:

[(1, 200399710), (2, 100199855), (5, 40079942), (7, 28628530), (10, 20039971), (14, 14314265), (35, 5725706), (49, 4089790), (70, 2862853), (98, 2044895), (245, 817958), (490, 408979)]