287440190

素因数分解:

$2^1\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{11321}}^1$

素因数の和:13867

約数の個数: 16

約数和(自身を含む): 517641840

約数和(自身を除く): 230201650

約数列:

[1, 2, 5, 10, 2539, 5078, 11321, 12695, 22642, 25390, 56605, 113210, 28744019, 57488038, 143720095, 287440190]

約数ペア:

[(1, 287440190), (2, 143720095), (5, 57488038), (10, 28744019), (2539, 113210), (5078, 56605), (11321, 25390), (12695, 22642)]