4404820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 10741248

約数和(自身を除く): 6336428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 431, 511, 730, 862, 1022, 1460, 1724, 2044, 2155, 2555, 3017, 4310, 5110, 6034, 8620, 10220, 12068, 15085, 30170, 31463, 60340, 62926, 125852, 157315, 220241, 314630, 440482, 629260, 880964, 1101205, 2202410, 4404820]

約数ペア:

[(1, 4404820), (2, 2202410), (4, 1101205), (5, 880964), (7, 629260), (10, 440482), (14, 314630), (20, 220241), (28, 157315), (35, 125852), (70, 62926), (73, 60340), (140, 31463), (146, 30170), (292, 15085), (365, 12068), (431, 10220), (511, 8620), (730, 6034), (862, 5110), (1022, 4310), (1460, 3017), (1724, 2555), (2044, 2155)]