757294520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{2749}}^1$

素因数の和:2928

約数の個数: 64

約数和(自身を含む): 1746360000

約数和(自身を除く): 989065480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 97, 142, 194, 284, 355, 388, 485, 568, 710, 776, 970, 1420, 1940, 2749, 2840, 3880, 5498, 6887, 10996, 13745, 13774, 21992, 27490, 27548, 34435, 54980, 55096, 68870, 109960, 137740, 195179, 266653, 275480, 390358, 533306, 780716, 975895, 1066612, 1333265, 1561432, 1951790, 2133224, 2666530, 3903580, 5333060, 7807160, 10666120, 18932363, 37864726, 75729452, 94661815, 151458904, 189323630, 378647260, 757294520]

約数ペア:

[(1, 757294520), (2, 378647260), (4, 189323630), (5, 151458904), (8, 94661815), (10, 75729452), (20, 37864726), (40, 18932363), (71, 10666120), (97, 7807160), (142, 5333060), (194, 3903580), (284, 2666530), (355, 2133224), (388, 1951790), (485, 1561432), (568, 1333265), (710, 1066612), (776, 975895), (970, 780716), (1420, 533306), (1940, 390358), (2749, 275480), (2840, 266653), (3880, 195179), (5498, 137740), (6887, 109960), (10996, 68870), (13745, 55096), (13774, 54980), (21992, 34435), (27490, 27548)]