2854280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 7560000

約数和(自身を除く): 4705720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 499, 520, 572, 715, 998, 1144, 1430, 1996, 2495, 2860, 3992, 4990, 5489, 5720, 6487, 9980, 10978, 12974, 19960, 21956, 25948, 27445, 32435, 43912, 51896, 54890, 64870, 71357, 109780, 129740, 142714, 219560, 259480, 285428, 356785, 570856, 713570, 1427140, 2854280]

約数ペア:

[(1, 2854280), (2, 1427140), (4, 713570), (5, 570856), (8, 356785), (10, 285428), (11, 259480), (13, 219560), (20, 142714), (22, 129740), (26, 109780), (40, 71357), (44, 64870), (52, 54890), (55, 51896), (65, 43912), (88, 32435), (104, 27445), (110, 25948), (130, 21956), (143, 19960), (220, 12974), (260, 10978), (286, 9980), (440, 6487), (499, 5720), (520, 5489), (572, 4990), (715, 3992), (998, 2860), (1144, 2495), (1430, 1996)]