12222100

素因数分解:

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

素因数の和:337

約数の個数: 72

約数和(自身を含む): 29748096

約数和(自身を除く): 17525996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 271, 275, 410, 451, 542, 550, 820, 902, 1025, 1084, 1100, 1355, 1804, 2050, 2255, 2710, 2981, 4100, 4510, 5420, 5962, 6775, 9020, 11111, 11275, 11924, 13550, 14905, 22222, 22550, 27100, 29810, 44444, 45100, 55555, 59620, 74525, 111110, 122221, 149050, 222220, 244442, 277775, 298100, 488884, 555550, 611105, 1111100, 1222210, 2444420, 3055525, 6111050, 12222100]

約数ペア:

[(1, 12222100), (2, 6111050), (4, 3055525), (5, 2444420), (10, 1222210), (11, 1111100), (20, 611105), (22, 555550), (25, 488884), (41, 298100), (44, 277775), (50, 244442), (55, 222220), (82, 149050), (100, 122221), (110, 111110), (164, 74525), (205, 59620), (220, 55555), (271, 45100), (275, 44444), (410, 29810), (451, 27100), (542, 22550), (550, 22222), (820, 14905), (902, 13550), (1025, 11924), (1084, 11275), (1100, 11111), (1355, 9020), (1804, 6775), (2050, 5962), (2255, 5420), (2710, 4510), (2981, 4100)]