9974420

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1429}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 21021000

約数和(自身を除く): 11046580

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1429, 1745, 2858, 3490, 5716, 6980, 7145, 14290, 28580, 498721, 997442, 1994884, 2493605, 4987210, 9974420]

約数ペア:

[(1, 9974420), (2, 4987210), (4, 2493605), (5, 1994884), (10, 997442), (20, 498721), (349, 28580), (698, 14290), (1396, 7145), (1429, 6980), (1745, 5716), (2858, 3490)]