420172390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{5449}}^1$

素因数の和:6168

約数の個数: 32

約数和(自身を含む): 826394400

約数和(自身を除く): 406222010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 701, 1402, 3505, 5449, 7010, 7711, 10898, 15422, 27245, 38555, 54490, 59939, 77110, 119878, 299695, 599390, 3819749, 7639498, 19098745, 38197490, 42017239, 84034478, 210086195, 420172390]

約数ペア:

[(1, 420172390), (2, 210086195), (5, 84034478), (10, 42017239), (11, 38197490), (22, 19098745), (55, 7639498), (110, 3819749), (701, 599390), (1402, 299695), (3505, 119878), (5449, 77110), (7010, 59939), (7711, 54490), (10898, 38555), (15422, 27245)]