1538740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 3830400

約数和(自身を除く): 2291660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 379, 406, 580, 758, 812, 1015, 1516, 1895, 2030, 2653, 3790, 4060, 5306, 7580, 10612, 10991, 13265, 21982, 26530, 43964, 53060, 54955, 76937, 109910, 153874, 219820, 307748, 384685, 769370, 1538740]

約数ペア:

[(1, 1538740), (2, 769370), (4, 384685), (5, 307748), (7, 219820), (10, 153874), (14, 109910), (20, 76937), (28, 54955), (29, 53060), (35, 43964), (58, 26530), (70, 21982), (116, 13265), (140, 10991), (145, 10612), (203, 7580), (290, 5306), (379, 4060), (406, 3790), (580, 2653), (758, 2030), (812, 1895), (1015, 1516)]