858040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 2034000

約数和(自身を除く): 1175960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1129, 2258, 4516, 5645, 9032, 11290, 21451, 22580, 42902, 45160, 85804, 107255, 171608, 214510, 429020, 858040]

約数ペア:

[(1, 858040), (2, 429020), (4, 214510), (5, 171608), (8, 107255), (10, 85804), (19, 45160), (20, 42902), (38, 22580), (40, 21451), (76, 11290), (95, 9032), (152, 5645), (190, 4516), (380, 2258), (760, 1129)]