491590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 997920

約数和(自身を除く): 506330

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 109, 110, 205, 218, 410, 451, 545, 902, 1090, 1199, 2255, 2398, 4469, 4510, 5995, 8938, 11990, 22345, 44690, 49159, 98318, 245795, 491590]

約数ペア:

[(1, 491590), (2, 245795), (5, 98318), (10, 49159), (11, 44690), (22, 22345), (41, 11990), (55, 8938), (82, 5995), (109, 4510), (110, 4469), (205, 2398), (218, 2255), (410, 1199), (451, 1090), (545, 902)]