89513480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319691}}^1$

素因数の和:319709

約数の個数: 32

約数和(自身を含む): 230178240

約数和(自身を除く): 140664760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319691, 639382, 1278764, 1598455, 2237837, 2557528, 3196910, 4475674, 6393820, 8951348, 11189185, 12787640, 17902696, 22378370, 44756740, 89513480]

約数ペア:

[(1, 89513480), (2, 44756740), (4, 22378370), (5, 17902696), (7, 12787640), (8, 11189185), (10, 8951348), (14, 6393820), (20, 4475674), (28, 3196910), (35, 2557528), (40, 2237837), (56, 1598455), (70, 1278764), (140, 639382), (280, 319691)]