139796780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{411167}}^1$

素因数の和:411193

約数の個数: 24

約数和(自身を含む): 310843008

約数和(自身を除く): 171046228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 411167, 822334, 1644668, 2055835, 4111670, 6989839, 8223340, 13979678, 27959356, 34949195, 69898390, 139796780]

約数ペア:

[(1, 139796780), (2, 69898390), (4, 34949195), (5, 27959356), (10, 13979678), (17, 8223340), (20, 6989839), (34, 4111670), (68, 2055835), (85, 1644668), (170, 822334), (340, 411167)]