85458520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305209}}^1$

素因数の和:305227

約数の個数: 32

約数和(自身を含む): 219751200

約数和(自身を除く): 134292680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305209, 610418, 1220836, 1526045, 2136463, 2441672, 3052090, 4272926, 6104180, 8545852, 10682315, 12208360, 17091704, 21364630, 42729260, 85458520]

約数ペア:

[(1, 85458520), (2, 42729260), (4, 21364630), (5, 17091704), (7, 12208360), (8, 10682315), (10, 8545852), (14, 6104180), (20, 4272926), (28, 3052090), (35, 2441672), (40, 2136463), (56, 1526045), (70, 1220836), (140, 610418), (280, 305209)]