681796760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{897101}}^1$

素因数の和:897131

約数の個数: 32

約数和(自身を含む): 1614783600

約数和(自身を除く): 932986840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 897101, 1794202, 3588404, 4485505, 7176808, 8971010, 17044919, 17942020, 34089838, 35884040, 68179676, 85224595, 136359352, 170449190, 340898380, 681796760]

約数ペア:

[(1, 681796760), (2, 340898380), (4, 170449190), (5, 136359352), (8, 85224595), (10, 68179676), (19, 35884040), (20, 34089838), (38, 17942020), (40, 17044919), (76, 8971010), (95, 7176808), (152, 4485505), (190, 3588404), (380, 1794202), (760, 897101)]