9881480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{35291}}^1$

素因数の和:35309

約数の個数: 32

約数和(自身を含む): 25410240

約数和(自身を除く): 15528760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 35291, 70582, 141164, 176455, 247037, 282328, 352910, 494074, 705820, 988148, 1235185, 1411640, 1976296, 2470370, 4940740, 9881480]

約数ペア:

[(1, 9881480), (2, 4940740), (4, 2470370), (5, 1976296), (7, 1411640), (8, 1235185), (10, 988148), (14, 705820), (20, 494074), (28, 352910), (35, 282328), (40, 247037), (56, 176455), (70, 141164), (140, 70582), (280, 35291)]