156217460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1115839}}^1$

素因数の和:1115855

約数の個数: 24

約数和(自身を含む): 374922240

約数和(自身を除く): 218704780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1115839, 2231678, 4463356, 5579195, 7810873, 11158390, 15621746, 22316780, 31243492, 39054365, 78108730, 156217460]

約数ペア:

[(1, 156217460), (2, 78108730), (4, 39054365), (5, 31243492), (7, 22316780), (10, 15621746), (14, 11158390), (20, 7810873), (28, 5579195), (35, 4463356), (70, 2231678), (140, 1115839)]