71792980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17683}}^1$

素因数の和:17728

約数の個数: 48

約数和(自身を含む): 178254720

約数和(自身を除く): 106461740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 17683, 35366, 70732, 88415, 123781, 176830, 247562, 353660, 495124, 512807, 618905, 1025614, 1237810, 2051228, 2475620, 2564035, 3589649, 5128070, 7179298, 10256140, 14358596, 17948245, 35896490, 71792980]

約数ペア:

[(1, 71792980), (2, 35896490), (4, 17948245), (5, 14358596), (7, 10256140), (10, 7179298), (14, 5128070), (20, 3589649), (28, 2564035), (29, 2475620), (35, 2051228), (58, 1237810), (70, 1025614), (116, 618905), (140, 512807), (145, 495124), (203, 353660), (290, 247562), (406, 176830), (580, 123781), (812, 88415), (1015, 70732), (2030, 35366), (4060, 17683)]