9947140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 24054912

約数和(自身を除く): 14107772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 313, 454, 626, 908, 1135, 1252, 1565, 1589, 2191, 2270, 3130, 3178, 4382, 4540, 6260, 6356, 7945, 8764, 10955, 15890, 21910, 31780, 43820, 71051, 142102, 284204, 355255, 497357, 710510, 994714, 1421020, 1989428, 2486785, 4973570, 9947140]

約数ペア:

[(1, 9947140), (2, 4973570), (4, 2486785), (5, 1989428), (7, 1421020), (10, 994714), (14, 710510), (20, 497357), (28, 355255), (35, 284204), (70, 142102), (140, 71051), (227, 43820), (313, 31780), (454, 21910), (626, 15890), (908, 10955), (1135, 8764), (1252, 7945), (1565, 6356), (1589, 6260), (2191, 4540), (2270, 4382), (3130, 3178)]