7445020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 17474688

約数和(自身を除く): 10029668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 787, 860, 946, 1574, 1892, 2365, 3148, 3935, 4730, 7870, 8657, 9460, 15740, 17314, 33841, 34628, 43285, 67682, 86570, 135364, 169205, 173140, 338410, 372251, 676820, 744502, 1489004, 1861255, 3722510, 7445020]

約数ペア:

[(1, 7445020), (2, 3722510), (4, 1861255), (5, 1489004), (10, 744502), (11, 676820), (20, 372251), (22, 338410), (43, 173140), (44, 169205), (55, 135364), (86, 86570), (110, 67682), (172, 43285), (215, 34628), (220, 33841), (430, 17314), (473, 15740), (787, 9460), (860, 8657), (946, 7870), (1574, 4730), (1892, 3935), (2365, 3148)]