2444420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 5757696

約数和(自身を除く): 3313276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 271, 410, 451, 542, 820, 902, 1084, 1355, 1804, 2255, 2710, 2981, 4510, 5420, 5962, 9020, 11111, 11924, 14905, 22222, 29810, 44444, 55555, 59620, 111110, 122221, 222220, 244442, 488884, 611105, 1222210, 2444420]

約数ペア:

[(1, 2444420), (2, 1222210), (4, 611105), (5, 488884), (10, 244442), (11, 222220), (20, 122221), (22, 111110), (41, 59620), (44, 55555), (55, 44444), (82, 29810), (110, 22222), (164, 14905), (205, 11924), (220, 11111), (271, 9020), (410, 5962), (451, 5420), (542, 4510), (820, 2981), (902, 2710), (1084, 2255), (1355, 1804)]