8300740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 20087424

約数和(自身を除く): 11786684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 281, 422, 562, 844, 1055, 1124, 1405, 1477, 1967, 2110, 2810, 2954, 3934, 4220, 5620, 5908, 7385, 7868, 9835, 14770, 19670, 29540, 39340, 59291, 118582, 237164, 296455, 415037, 592910, 830074, 1185820, 1660148, 2075185, 4150370, 8300740]

約数ペア:

[(1, 8300740), (2, 4150370), (4, 2075185), (5, 1660148), (7, 1185820), (10, 830074), (14, 592910), (20, 415037), (28, 296455), (35, 237164), (70, 118582), (140, 59291), (211, 39340), (281, 29540), (422, 19670), (562, 14770), (844, 9835), (1055, 7868), (1124, 7385), (1405, 5908), (1477, 5620), (1967, 4220), (2110, 3934), (2810, 2954)]