130187620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{342599}}^1$

素因数の和:342627

約数の個数: 24

約数和(自身を含む): 287784000

約数和(自身を除く): 157596380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 342599, 685198, 1370396, 1712995, 3425990, 6509381, 6851980, 13018762, 26037524, 32546905, 65093810, 130187620]

約数ペア:

[(1, 130187620), (2, 65093810), (4, 32546905), (5, 26037524), (10, 13018762), (19, 6851980), (20, 6509381), (38, 3425990), (76, 1712995), (95, 1370396), (190, 685198), (380, 342599)]