348021380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2485867}}^1$

素因数の和:2485883

約数の個数: 24

約数和(自身を含む): 835251648

約数和(自身を除く): 487230268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2485867, 4971734, 9943468, 12429335, 17401069, 24858670, 34802138, 49717340, 69604276, 87005345, 174010690, 348021380]

約数ペア:

[(1, 348021380), (2, 174010690), (4, 87005345), (5, 69604276), (7, 49717340), (10, 34802138), (14, 24858670), (20, 17401069), (28, 12429335), (35, 9943468), (70, 4971734), (140, 2485867)]