299989930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{1999}}^1$

素因数の和:2398

約数の個数: 32

約数和(自身を含む): 554400000

約数和(自身を除く): 254410070

約数列:

[1, 2, 5, 10, 43, 86, 215, 349, 430, 698, 1745, 1999, 3490, 3998, 9995, 15007, 19990, 30014, 75035, 85957, 150070, 171914, 429785, 697651, 859570, 1395302, 3488255, 6976510, 29998993, 59997986, 149994965, 299989930]

約数ペア:

[(1, 299989930), (2, 149994965), (5, 59997986), (10, 29998993), (43, 6976510), (86, 3488255), (215, 1395302), (349, 859570), (430, 697651), (698, 429785), (1745, 171914), (1999, 150070), (3490, 85957), (3998, 75035), (9995, 30014), (15007, 19990)]