1890520

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 4295520

約数和(自身を除く): 2405000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 313, 604, 626, 755, 1208, 1252, 1510, 1565, 2504, 3020, 3130, 6040, 6260, 12520, 47263, 94526, 189052, 236315, 378104, 472630, 945260, 1890520]

約数ペア:

[(1, 1890520), (2, 945260), (4, 472630), (5, 378104), (8, 236315), (10, 189052), (20, 94526), (40, 47263), (151, 12520), (302, 6260), (313, 6040), (604, 3130), (626, 3020), (755, 2504), (1208, 1565), (1252, 1510)]