490630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 1039104

約数和(自身を除く): 548474

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 163, 215, 301, 326, 430, 602, 815, 1141, 1505, 1630, 2282, 3010, 5705, 7009, 11410, 14018, 35045, 49063, 70090, 98126, 245315, 490630]

約数ペア:

[(1, 490630), (2, 245315), (5, 98126), (7, 70090), (10, 49063), (14, 35045), (35, 14018), (43, 11410), (70, 7009), (86, 5705), (163, 3010), (215, 2282), (301, 1630), (326, 1505), (430, 1141), (602, 815)]