7220200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 18084780

約数和(自身を除く): 10864580

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 2777, 5554, 11108, 13885, 22216, 27770, 36101, 55540, 69425, 72202, 111080, 138850, 144404, 180505, 277700, 288808, 361010, 555400, 722020, 902525, 1444040, 1805050, 3610100, 7220200]

約数ペア:

[(1, 7220200), (2, 3610100), (4, 1805050), (5, 1444040), (8, 902525), (10, 722020), (13, 555400), (20, 361010), (25, 288808), (26, 277700), (40, 180505), (50, 144404), (52, 138850), (65, 111080), (100, 72202), (104, 69425), (130, 55540), (200, 36101), (260, 27770), (325, 22216), (520, 13885), (650, 11108), (1300, 5554), (2600, 2777)]