1796720980

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{230941}}^1$

素因数の和:231339

約数の個数: 24

約数和(自身を含む): 3782829960

約数和(自身を除く): 1986108980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 230941, 461882, 923764, 1154705, 2309410, 4618820, 89836049, 179672098, 359344196, 449180245, 898360490, 1796720980]

約数ペア:

[(1, 1796720980), (2, 898360490), (4, 449180245), (5, 359344196), (10, 179672098), (20, 89836049), (389, 4618820), (778, 2309410), (1556, 1154705), (1945, 923764), (3890, 461882), (7780, 230941)]