8389780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1223}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 12173420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1223, 1372, 1715, 2446, 3430, 4892, 6115, 6860, 8561, 12230, 17122, 24460, 34244, 42805, 59927, 85610, 119854, 171220, 239708, 299635, 419489, 599270, 838978, 1198540, 1677956, 2097445, 4194890, 8389780]

約数ペア:

[(1, 8389780), (2, 4194890), (4, 2097445), (5, 1677956), (7, 1198540), (10, 838978), (14, 599270), (20, 419489), (28, 299635), (35, 239708), (49, 171220), (70, 119854), (98, 85610), (140, 59927), (196, 42805), (245, 34244), (343, 24460), (490, 17122), (686, 12230), (980, 8561), (1223, 6860), (1372, 6115), (1715, 4892), (2446, 3430)]