204575140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1969

約数の個数: 96

約数和(自身を含む): 543449088

約数和(自身を除く): 338873948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1540, 1562, 1871, 1988, 2485, 3124, 3742, 3905, 4970, 5467, 7484, 7810, 9355, 9940, 10934, 13097, 15620, 18710, 20581, 21868, 26194, 27335, 37420, 41162, 52388, 54670, 65485, 82324, 102905, 109340, 130970, 132841, 144067, 205810, 261940, 265682, 288134, 411620, 531364, 576268, 664205, 720335, 929887, 1328410, 1440670, 1461251, 1859774, 2656820, 2881340, 2922502, 3719548, 4649435, 5845004, 7306255, 9298870, 10228757, 14612510, 18597740, 20457514, 29225020, 40915028, 51143785, 102287570, 204575140]

約数ペア:

[(1, 204575140), (2, 102287570), (4, 51143785), (5, 40915028), (7, 29225020), (10, 20457514), (11, 18597740), (14, 14612510), (20, 10228757), (22, 9298870), (28, 7306255), (35, 5845004), (44, 4649435), (55, 3719548), (70, 2922502), (71, 2881340), (77, 2656820), (110, 1859774), (140, 1461251), (142, 1440670), (154, 1328410), (220, 929887), (284, 720335), (308, 664205), (355, 576268), (385, 531364), (497, 411620), (710, 288134), (770, 265682), (781, 261940), (994, 205810), (1420, 144067), (1540, 132841), (1562, 130970), (1871, 109340), (1988, 102905), (2485, 82324), (3124, 65485), (3742, 54670), (3905, 52388), (4970, 41162), (5467, 37420), (7484, 27335), (7810, 26194), (9355, 21868), (9940, 20581), (10934, 18710), (13097, 15620)]