17617756820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157049}}^1$

素因数の和:157208

約数の個数: 48

約数和(自身を含む): 37993536000

約数和(自身を除く): 20375779180

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 710, 790, 1420, 1580, 5609, 11218, 22436, 28045, 56090, 112180, 157049, 314098, 628196, 785245, 1570490, 3140980, 11150479, 12406871, 22300958, 24813742, 44601916, 49627484, 55752395, 62034355, 111504790, 124068710, 223009580, 248137420, 880887841, 1761775682, 3523551364, 4404439205, 8808878410, 17617756820]

約数ペア:

[(1, 17617756820), (2, 8808878410), (4, 4404439205), (5, 3523551364), (10, 1761775682), (20, 880887841), (71, 248137420), (79, 223009580), (142, 124068710), (158, 111504790), (284, 62034355), (316, 55752395), (355, 49627484), (395, 44601916), (710, 24813742), (790, 22300958), (1420, 12406871), (1580, 11150479), (5609, 3140980), (11218, 1570490), (22436, 785245), (28045, 628196), (56090, 314098), (112180, 157049)]