31355660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223969}}^1$

素因数の和:223985

約数の個数: 24

約数和(自身を含む): 75253920

約数和(自身を除く): 43898260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223969, 447938, 895876, 1119845, 1567783, 2239690, 3135566, 4479380, 6271132, 7838915, 15677830, 31355660]

約数ペア:

[(1, 31355660), (2, 15677830), (4, 7838915), (5, 6271132), (7, 4479380), (10, 3135566), (14, 2239690), (20, 1567783), (28, 1119845), (35, 895876), (70, 447938), (140, 223969)]