8930180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 21603456

約数和(自身を除く): 12673276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 281, 454, 562, 908, 1124, 1135, 1405, 1589, 1967, 2270, 2810, 3178, 3934, 4540, 5620, 6356, 7868, 7945, 9835, 15890, 19670, 31780, 39340, 63787, 127574, 255148, 318935, 446509, 637870, 893018, 1275740, 1786036, 2232545, 4465090, 8930180]

約数ペア:

[(1, 8930180), (2, 4465090), (4, 2232545), (5, 1786036), (7, 1275740), (10, 893018), (14, 637870), (20, 446509), (28, 318935), (35, 255148), (70, 127574), (140, 63787), (227, 39340), (281, 31780), (454, 19670), (562, 15890), (908, 9835), (1124, 7945), (1135, 7868), (1405, 6356), (1589, 5620), (1967, 4540), (2270, 3934), (2810, 3178)]