78845620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563183}}^1$

素因数の和:563199

約数の個数: 24

約数和(自身を含む): 189229824

約数和(自身を除く): 110384204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563183, 1126366, 2252732, 2815915, 3942281, 5631830, 7884562, 11263660, 15769124, 19711405, 39422810, 78845620]

約数ペア:

[(1, 78845620), (2, 39422810), (4, 19711405), (5, 15769124), (7, 11263660), (10, 7884562), (14, 5631830), (20, 3942281), (28, 2815915), (35, 2252732), (70, 1126366), (140, 563183)]