388624240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 934940160

約数和(自身を除く): 546315920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 109, 164, 205, 218, 328, 410, 436, 545, 656, 820, 872, 1087, 1090, 1640, 1744, 2174, 2180, 3280, 4348, 4360, 4469, 5435, 8696, 8720, 8938, 10870, 17392, 17876, 21740, 22345, 35752, 43480, 44567, 44690, 71504, 86960, 89134, 89380, 118483, 178268, 178760, 222835, 236966, 356536, 357520, 445670, 473932, 592415, 713072, 891340, 947864, 1184830, 1782680, 1895728, 2369660, 3565360, 4739320, 4857803, 9478640, 9715606, 19431212, 24289015, 38862424, 48578030, 77724848, 97156060, 194312120, 388624240]

約数ペア:

[(1, 388624240), (2, 194312120), (4, 97156060), (5, 77724848), (8, 48578030), (10, 38862424), (16, 24289015), (20, 19431212), (40, 9715606), (41, 9478640), (80, 4857803), (82, 4739320), (109, 3565360), (164, 2369660), (205, 1895728), (218, 1782680), (328, 1184830), (410, 947864), (436, 891340), (545, 713072), (656, 592415), (820, 473932), (872, 445670), (1087, 357520), (1090, 356536), (1640, 236966), (1744, 222835), (2174, 178760), (2180, 178268), (3280, 118483), (4348, 89380), (4360, 89134), (4469, 86960), (5435, 71504), (8696, 44690), (8720, 44567), (8938, 43480), (10870, 35752), (17392, 22345), (17876, 21740)]