398932010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{3863}}^1$

素因数の和:4342

約数の個数: 32

約数和(自身を含む): 751161600

約数和(自身を除く): 352229590

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 449, 898, 2245, 3863, 4490, 7726, 10327, 19315, 20654, 38630, 51635, 88849, 103270, 177698, 444245, 888490, 1734487, 3468974, 8672435, 17344870, 39893201, 79786402, 199466005, 398932010]

約数ペア:

[(1, 398932010), (2, 199466005), (5, 79786402), (10, 39893201), (23, 17344870), (46, 8672435), (115, 3468974), (230, 1734487), (449, 888490), (898, 444245), (2245, 177698), (3863, 103270), (4490, 88849), (7726, 51635), (10327, 38630), (19315, 20654)]