71428280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3313}}^1$

素因数の和:3349

約数の個数: 96

約数和(自身を含む): 204009840

約数和(自身を除く): 132581560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3313, 4312, 5390, 6626, 10780, 13252, 16565, 21560, 23191, 26504, 33130, 36443, 46382, 66260, 72886, 92764, 115955, 132520, 145772, 162337, 182215, 185528, 231910, 255101, 291544, 324674, 364430, 463820, 510202, 649348, 728860, 811685, 927640, 1020404, 1275505, 1298696, 1457720, 1623370, 1785707, 2040808, 2551010, 3246740, 3571414, 5102020, 6493480, 7142828, 8928535, 10204040, 14285656, 17857070, 35714140, 71428280]

約数ペア:

[(1, 71428280), (2, 35714140), (4, 17857070), (5, 14285656), (7, 10204040), (8, 8928535), (10, 7142828), (11, 6493480), (14, 5102020), (20, 3571414), (22, 3246740), (28, 2551010), (35, 2040808), (40, 1785707), (44, 1623370), (49, 1457720), (55, 1298696), (56, 1275505), (70, 1020404), (77, 927640), (88, 811685), (98, 728860), (110, 649348), (140, 510202), (154, 463820), (196, 364430), (220, 324674), (245, 291544), (280, 255101), (308, 231910), (385, 185528), (392, 182215), (440, 162337), (490, 145772), (539, 132520), (616, 115955), (770, 92764), (980, 72886), (1078, 66260), (1540, 46382), (1960, 36443), (2156, 33130), (2695, 26504), (3080, 23191), (3313, 21560), (4312, 16565), (5390, 13252), (6626, 10780)]