31120190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 58320000

約数和(自身を除く): 27199810

約数列:

[1, 2, 5, 10, 29, 58, 145, 239, 290, 449, 478, 898, 1195, 2245, 2390, 4490, 6931, 13021, 13862, 26042, 34655, 65105, 69310, 107311, 130210, 214622, 536555, 1073110, 3112019, 6224038, 15560095, 31120190]

約数ペア:

[(1, 31120190), (2, 15560095), (5, 6224038), (10, 3112019), (29, 1073110), (58, 536555), (145, 214622), (239, 130210), (290, 107311), (449, 69310), (478, 65105), (898, 34655), (1195, 26042), (2245, 13862), (2390, 13021), (4490, 6931)]