2381206520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10889}}^1$

素因数の和:10989

約数の個数: 128

約数和(自身を含む): 6774451200

約数和(自身を除く): 4393244680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2485, 2840, 3080, 3124, 3905, 3976, 4970, 5467, 6248, 7810, 9940, 10889, 10934, 15620, 19880, 21778, 21868, 27335, 31240, 43556, 43736, 54445, 54670, 76223, 87112, 108890, 109340, 119779, 152446, 217780, 218680, 239558, 304892, 381115, 435560, 479116, 598895, 609784, 762230, 773119, 838453, 958232, 1197790, 1524460, 1546238, 1676906, 2395580, 3048920, 3092476, 3353812, 3865595, 4192265, 4791160, 5411833, 6184952, 6707624, 7731190, 8384530, 8504309, 10823666, 15462380, 16769060, 17008618, 21647332, 27059165, 30924760, 33538120, 34017236, 42521545, 43294664, 54118330, 59530163, 68034472, 85043090, 108236660, 119060326, 170086180, 216473320, 238120652, 297650815, 340172360, 476241304, 595301630, 1190603260, 2381206520]

約数ペア:

[(1, 2381206520), (2, 1190603260), (4, 595301630), (5, 476241304), (7, 340172360), (8, 297650815), (10, 238120652), (11, 216473320), (14, 170086180), (20, 119060326), (22, 108236660), (28, 85043090), (35, 68034472), (40, 59530163), (44, 54118330), (55, 43294664), (56, 42521545), (70, 34017236), (71, 33538120), (77, 30924760), (88, 27059165), (110, 21647332), (140, 17008618), (142, 16769060), (154, 15462380), (220, 10823666), (280, 8504309), (284, 8384530), (308, 7731190), (355, 6707624), (385, 6184952), (440, 5411833), (497, 4791160), (568, 4192265), (616, 3865595), (710, 3353812), (770, 3092476), (781, 3048920), (994, 2395580), (1420, 1676906), (1540, 1546238), (1562, 1524460), (1988, 1197790), (2485, 958232), (2840, 838453), (3080, 773119), (3124, 762230), (3905, 609784), (3976, 598895), (4970, 479116), (5467, 435560), (6248, 381115), (7810, 304892), (9940, 239558), (10889, 218680), (10934, 217780), (15620, 152446), (19880, 119779), (21778, 109340), (21868, 108890), (27335, 87112), (31240, 76223), (43556, 54670), (43736, 54445)]