8358140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 20224512

約数和(自身を除く): 11866372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 263, 454, 526, 908, 1052, 1135, 1315, 1589, 1841, 2270, 2630, 3178, 3682, 4540, 5260, 6356, 7364, 7945, 9205, 15890, 18410, 31780, 36820, 59701, 119402, 238804, 298505, 417907, 597010, 835814, 1194020, 1671628, 2089535, 4179070, 8358140]

約数ペア:

[(1, 8358140), (2, 4179070), (4, 2089535), (5, 1671628), (7, 1194020), (10, 835814), (14, 597010), (20, 417907), (28, 298505), (35, 238804), (70, 119402), (140, 59701), (227, 36820), (263, 31780), (454, 18410), (526, 15890), (908, 9205), (1052, 7945), (1135, 7364), (1315, 6356), (1589, 5260), (1841, 4540), (2270, 3682), (2630, 3178)]