206875580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 446602464

約数和(自身を除く): 239726884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 293, 430, 586, 821, 860, 1172, 1465, 1642, 2930, 3284, 4105, 5860, 8210, 12599, 16420, 25198, 35303, 50396, 62995, 70606, 125990, 141212, 176515, 240553, 251980, 353030, 481106, 706060, 962212, 1202765, 2405530, 4811060, 10343779, 20687558, 41375116, 51718895, 103437790, 206875580]

約数ペア:

[(1, 206875580), (2, 103437790), (4, 51718895), (5, 41375116), (10, 20687558), (20, 10343779), (43, 4811060), (86, 2405530), (172, 1202765), (215, 962212), (293, 706060), (430, 481106), (586, 353030), (821, 251980), (860, 240553), (1172, 176515), (1465, 141212), (1642, 125990), (2930, 70606), (3284, 62995), (4105, 50396), (5860, 35303), (8210, 25198), (12599, 16420)]