85831480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306541}}^1$

素因数の和:306559

約数の個数: 32

約数和(自身を含む): 220710240

約数和(自身を除く): 134878760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306541, 613082, 1226164, 1532705, 2145787, 2452328, 3065410, 4291574, 6130820, 8583148, 10728935, 12261640, 17166296, 21457870, 42915740, 85831480]

約数ペア:

[(1, 85831480), (2, 42915740), (4, 21457870), (5, 17166296), (7, 12261640), (8, 10728935), (10, 8583148), (14, 6130820), (20, 4291574), (28, 3065410), (35, 2452328), (40, 2145787), (56, 1532705), (70, 1226164), (140, 613082), (280, 306541)]