208357790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{2707}}^1$

素因数の和:2936

約数の個数: 32

約数和(自身を含む): 386052480

約数和(自身を除く): 177694690

約数列:

[1, 2, 5, 10, 43, 86, 179, 215, 358, 430, 895, 1790, 2707, 5414, 7697, 13535, 15394, 27070, 38485, 76970, 116401, 232802, 484553, 582005, 969106, 1164010, 2422765, 4845530, 20835779, 41671558, 104178895, 208357790]

約数ペア:

[(1, 208357790), (2, 104178895), (5, 41671558), (10, 20835779), (43, 4845530), (86, 2422765), (179, 1164010), (215, 969106), (358, 582005), (430, 484553), (895, 232802), (1790, 116401), (2707, 76970), (5414, 38485), (7697, 27070), (13535, 15394)]