2999920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 8713728

約数和(自身を除く): 5713808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 487, 560, 616, 770, 880, 974, 1232, 1540, 1948, 2435, 3080, 3409, 3896, 4870, 5357, 6160, 6818, 7792, 9740, 10714, 13636, 17045, 19480, 21428, 26785, 27272, 34090, 37499, 38960, 42856, 53570, 54544, 68180, 74998, 85712, 107140, 136360, 149996, 187495, 214280, 272720, 299992, 374990, 428560, 599984, 749980, 1499960, 2999920]

約数ペア:

[(1, 2999920), (2, 1499960), (4, 749980), (5, 599984), (7, 428560), (8, 374990), (10, 299992), (11, 272720), (14, 214280), (16, 187495), (20, 149996), (22, 136360), (28, 107140), (35, 85712), (40, 74998), (44, 68180), (55, 54544), (56, 53570), (70, 42856), (77, 38960), (80, 37499), (88, 34090), (110, 27272), (112, 26785), (140, 21428), (154, 19480), (176, 17045), (220, 13636), (280, 10714), (308, 9740), (385, 7792), (440, 6818), (487, 6160), (560, 5357), (616, 4870), (770, 3896), (880, 3409), (974, 3080), (1232, 2435), (1540, 1948)]