2801789020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7373129}}^1$

素因数の和:7373157

約数の個数: 24

約数和(自身を含む): 6193429200

約数和(自身を除く): 3391640180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 7373129, 14746258, 29492516, 36865645, 73731290, 140089451, 147462580, 280178902, 560357804, 700447255, 1400894510, 2801789020]

約数ペア:

[(1, 2801789020), (2, 1400894510), (4, 700447255), (5, 560357804), (10, 280178902), (19, 147462580), (20, 140089451), (38, 73731290), (76, 36865645), (95, 29492516), (190, 14746258), (380, 7373129)]