42915740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{306541}}^1$

素因数の和:306557

約数の個数: 24

約数和(自身を含む): 102998112

約数和(自身を除く): 60082372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 306541, 613082, 1226164, 1532705, 2145787, 3065410, 4291574, 6130820, 8583148, 10728935, 21457870, 42915740]

約数ペア:

[(1, 42915740), (2, 21457870), (4, 10728935), (5, 8583148), (7, 6130820), (10, 4291574), (14, 3065410), (20, 2145787), (28, 1532705), (35, 1226164), (70, 613082), (140, 306541)]