89471480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319541}}^1$

素因数の和:319559

約数の個数: 32

約数和(自身を含む): 230070240

約数和(自身を除く): 140598760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319541, 639082, 1278164, 1597705, 2236787, 2556328, 3195410, 4473574, 6390820, 8947148, 11183935, 12781640, 17894296, 22367870, 44735740, 89471480]

約数ペア:

[(1, 89471480), (2, 44735740), (4, 22367870), (5, 17894296), (7, 12781640), (8, 11183935), (10, 8947148), (14, 6390820), (20, 4473574), (28, 3195410), (35, 2556328), (40, 2236787), (56, 1597705), (70, 1278164), (140, 639082), (280, 319541)]