277208740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 593938800

約数和(自身を除く): 316730060

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 181, 292, 362, 365, 724, 730, 905, 1049, 1460, 1810, 2098, 3620, 4196, 5245, 10490, 13213, 20980, 26426, 52852, 66065, 76577, 132130, 153154, 189869, 264260, 306308, 379738, 382885, 759476, 765770, 949345, 1531540, 1898690, 3797380, 13860437, 27720874, 55441748, 69302185, 138604370, 277208740]

約数ペア:

[(1, 277208740), (2, 138604370), (4, 69302185), (5, 55441748), (10, 27720874), (20, 13860437), (73, 3797380), (146, 1898690), (181, 1531540), (292, 949345), (362, 765770), (365, 759476), (724, 382885), (730, 379738), (905, 306308), (1049, 264260), (1460, 189869), (1810, 153154), (2098, 132130), (3620, 76577), (4196, 66065), (5245, 52852), (10490, 26426), (13213, 20980)]