28759780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205427}}^1$

素因数の和:205443

約数の個数: 24

約数和(自身を含む): 69023808

約数和(自身を除く): 40264028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205427, 410854, 821708, 1027135, 1437989, 2054270, 2875978, 4108540, 5751956, 7189945, 14379890, 28759780]

約数ペア:

[(1, 28759780), (2, 14379890), (4, 7189945), (5, 5751956), (7, 4108540), (10, 2875978), (14, 2054270), (20, 1437989), (28, 1027135), (35, 821708), (70, 410854), (140, 205427)]