129642920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6269}}^1$

素因数の和:6338

約数の個数: 64

約数和(自身を含む): 325036800

約数和(自身を除く): 195393880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 6269, 10340, 12538, 20680, 25076, 31345, 50152, 62690, 68959, 125380, 137918, 250760, 275836, 294643, 344795, 551672, 589286, 689590, 1178572, 1379180, 1473215, 2357144, 2758360, 2946430, 3241073, 5892860, 6482146, 11785720, 12964292, 16205365, 25928584, 32410730, 64821460, 129642920]

約数ペア:

[(1, 129642920), (2, 64821460), (4, 32410730), (5, 25928584), (8, 16205365), (10, 12964292), (11, 11785720), (20, 6482146), (22, 5892860), (40, 3241073), (44, 2946430), (47, 2758360), (55, 2357144), (88, 1473215), (94, 1379180), (110, 1178572), (188, 689590), (220, 589286), (235, 551672), (376, 344795), (440, 294643), (470, 275836), (517, 250760), (940, 137918), (1034, 125380), (1880, 68959), (2068, 62690), (2585, 50152), (4136, 31345), (5170, 25076), (6269, 20680), (10340, 12538)]