992140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 2106720

約数和(自身を除く): 1114580

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 439, 452, 565, 878, 1130, 1756, 2195, 2260, 4390, 8780, 49607, 99214, 198428, 248035, 496070, 992140]

約数ペア:

[(1, 992140), (2, 496070), (4, 248035), (5, 198428), (10, 99214), (20, 49607), (113, 8780), (226, 4390), (439, 2260), (452, 2195), (565, 1756), (878, 1130)]