319410040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109387}}^1$

素因数の和:109471

約数の個数: 32

約数和(自身を含む): 728524080

約数和(自身を除く): 409114040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 109387, 218774, 437548, 546935, 875096, 1093870, 2187740, 4375480, 7985251, 15970502, 31941004, 39926255, 63882008, 79852510, 159705020, 319410040]

約数ペア:

[(1, 319410040), (2, 159705020), (4, 79852510), (5, 63882008), (8, 39926255), (10, 31941004), (20, 15970502), (40, 7985251), (73, 4375480), (146, 2187740), (292, 1093870), (365, 875096), (584, 546935), (730, 437548), (1460, 218774), (2920, 109387)]