278312770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1\times {\mathrm{883}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 513893952

約数和(自身を除く): 235581182

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 733, 883, 1466, 1766, 3665, 4415, 7330, 8830, 31519, 37969, 63038, 75938, 157595, 189845, 315190, 379690, 647239, 1294478, 3236195, 6472390, 27831277, 55662554, 139156385, 278312770]

約数ペア:

[(1, 278312770), (2, 139156385), (5, 55662554), (10, 27831277), (43, 6472390), (86, 3236195), (215, 1294478), (430, 647239), (733, 379690), (883, 315190), (1466, 189845), (1766, 157595), (3665, 75938), (4415, 63038), (7330, 37969), (8830, 31519)]