221470060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1581929}}^1$

素因数の和:1581945

約数の個数: 24

約数和(自身を含む): 531528480

約数和(自身を除く): 310058420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1581929, 3163858, 6327716, 7909645, 11073503, 15819290, 22147006, 31638580, 44294012, 55367515, 110735030, 221470060]

約数ペア:

[(1, 221470060), (2, 110735030), (4, 55367515), (5, 44294012), (7, 31638580), (10, 22147006), (14, 15819290), (20, 11073503), (28, 7909645), (35, 6327716), (70, 3163858), (140, 1581929)]