2912159480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{37781}}^1$

素因数の和:37880

約数の個数: 64

約数和(自身を含む): 6855166080

約数和(自身を除く): 3943006600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 820, 940, 1640, 1880, 1927, 3854, 7708, 9635, 15416, 19270, 37781, 38540, 75562, 77080, 151124, 188905, 302248, 377810, 755620, 1511240, 1549021, 1775707, 3098042, 3551414, 6196084, 7102828, 7745105, 8878535, 12392168, 14205656, 15490210, 17757070, 30980420, 35514140, 61960840, 71028280, 72803987, 145607974, 291215948, 364019935, 582431896, 728039870, 1456079740, 2912159480]

約数ペア:

[(1, 2912159480), (2, 1456079740), (4, 728039870), (5, 582431896), (8, 364019935), (10, 291215948), (20, 145607974), (40, 72803987), (41, 71028280), (47, 61960840), (82, 35514140), (94, 30980420), (164, 17757070), (188, 15490210), (205, 14205656), (235, 12392168), (328, 8878535), (376, 7745105), (410, 7102828), (470, 6196084), (820, 3551414), (940, 3098042), (1640, 1775707), (1880, 1549021), (1927, 1511240), (3854, 755620), (7708, 377810), (9635, 302248), (15416, 188905), (19270, 151124), (37781, 77080), (38540, 75562)]