387645100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{49069}}^1$

素因数の和:49162

約数の個数: 36

約数和(自身を含む): 851855200

約数和(自身を除く): 464210100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 49069, 98138, 196276, 245345, 490690, 981380, 1226725, 2453450, 3876451, 4906900, 7752902, 15505804, 19382255, 38764510, 77529020, 96911275, 193822550, 387645100]

約数ペア:

[(1, 387645100), (2, 193822550), (4, 96911275), (5, 77529020), (10, 38764510), (20, 19382255), (25, 15505804), (50, 7752902), (79, 4906900), (100, 3876451), (158, 2453450), (316, 1226725), (395, 981380), (790, 490690), (1580, 245345), (1975, 196276), (3950, 98138), (7900, 49069)]