217672840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2437}}^1$

素因数の和:2495

約数の個数: 128

約数和(自身を含む): 631929600

約数和(自身を除く): 414256760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 812, 1015, 1160, 1276, 1540, 1595, 1624, 2030, 2233, 2437, 2552, 3080, 3190, 4060, 4466, 4874, 6380, 8120, 8932, 9748, 11165, 12185, 12760, 17059, 17864, 19496, 22330, 24370, 26807, 34118, 44660, 48740, 53614, 68236, 70673, 85295, 89320, 97480, 107228, 134035, 136472, 141346, 170590, 187649, 214456, 268070, 282692, 341180, 353365, 375298, 494711, 536140, 565384, 682360, 706730, 750596, 777403, 938245, 989422, 1072280, 1413460, 1501192, 1554806, 1876490, 1978844, 2473555, 2826920, 3109612, 3752980, 3887015, 3957688, 4947110, 5441821, 6219224, 7505960, 7774030, 9894220, 10883642, 15548060, 19788440, 21767284, 27209105, 31096120, 43534568, 54418210, 108836420, 217672840]

約数ペア:

[(1, 217672840), (2, 108836420), (4, 54418210), (5, 43534568), (7, 31096120), (8, 27209105), (10, 21767284), (11, 19788440), (14, 15548060), (20, 10883642), (22, 9894220), (28, 7774030), (29, 7505960), (35, 6219224), (40, 5441821), (44, 4947110), (55, 3957688), (56, 3887015), (58, 3752980), (70, 3109612), (77, 2826920), (88, 2473555), (110, 1978844), (116, 1876490), (140, 1554806), (145, 1501192), (154, 1413460), (203, 1072280), (220, 989422), (232, 938245), (280, 777403), (290, 750596), (308, 706730), (319, 682360), (385, 565384), (406, 536140), (440, 494711), (580, 375298), (616, 353365), (638, 341180), (770, 282692), (812, 268070), (1015, 214456), (1160, 187649), (1276, 170590), (1540, 141346), (1595, 136472), (1624, 134035), (2030, 107228), (2233, 97480), (2437, 89320), (2552, 85295), (3080, 70673), (3190, 68236), (4060, 53614), (4466, 48740), (4874, 44660), (6380, 34118), (8120, 26807), (8932, 24370), (9748, 22330), (11165, 19496), (12185, 17864), (12760, 17059)]