28331660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10651}}^1$

素因数の和:10686

約数の個数: 48

約数和(自身を含む): 71581440

約数和(自身を除く): 43249780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10651, 21302, 42604, 53255, 74557, 106510, 149114, 202369, 213020, 298228, 372785, 404738, 745570, 809476, 1011845, 1416583, 1491140, 2023690, 2833166, 4047380, 5666332, 7082915, 14165830, 28331660]

約数ペア:

[(1, 28331660), (2, 14165830), (4, 7082915), (5, 5666332), (7, 4047380), (10, 2833166), (14, 2023690), (19, 1491140), (20, 1416583), (28, 1011845), (35, 809476), (38, 745570), (70, 404738), (76, 372785), (95, 298228), (133, 213020), (140, 202369), (190, 149114), (266, 106510), (380, 74557), (532, 53255), (665, 42604), (1330, 21302), (2660, 10651)]