85403060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 183617280

約数和(自身を除く): 98214220

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 439, 548, 685, 710, 878, 1370, 1420, 1756, 2195, 2740, 4390, 8780, 9727, 19454, 31169, 38908, 48635, 60143, 62338, 97270, 120286, 124676, 155845, 194540, 240572, 300715, 311690, 601430, 623380, 1202860, 4270153, 8540306, 17080612, 21350765, 42701530, 85403060]

約数ペア:

[(1, 85403060), (2, 42701530), (4, 21350765), (5, 17080612), (10, 8540306), (20, 4270153), (71, 1202860), (137, 623380), (142, 601430), (274, 311690), (284, 300715), (355, 240572), (439, 194540), (548, 155845), (685, 124676), (710, 120286), (878, 97270), (1370, 62338), (1420, 60143), (1756, 48635), (2195, 38908), (2740, 31169), (4390, 19454), (8780, 9727)]