313240040

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{7451}}^1$

素因数の和:8513

約数の個数: 32

約数和(自身を含む): 705555360

約数和(自身を除く): 392315320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 4204, 5255, 7451, 8408, 10510, 14902, 21020, 29804, 37255, 42040, 59608, 74510, 149020, 298040, 7831001, 15662002, 31324004, 39155005, 62648008, 78310010, 156620020, 313240040]

約数ペア:

[(1, 313240040), (2, 156620020), (4, 78310010), (5, 62648008), (8, 39155005), (10, 31324004), (20, 15662002), (40, 7831001), (1051, 298040), (2102, 149020), (4204, 74510), (5255, 59608), (7451, 42040), (8408, 37255), (10510, 29804), (14902, 21020)]