814202380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{667379}}^1$

素因数の和:667449

約数の個数: 24

約数和(自身を含む): 1737857520

約数和(自身を除く): 923655140

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 667379, 1334758, 2669516, 3336895, 6673790, 13347580, 40710119, 81420238, 162840476, 203550595, 407101190, 814202380]

約数ペア:

[(1, 814202380), (2, 407101190), (4, 203550595), (5, 162840476), (10, 81420238), (20, 40710119), (61, 13347580), (122, 6673790), (244, 3336895), (305, 2669516), (610, 1334758), (1220, 667379)]