9611980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 23417856

約数和(自身を除く): 13805876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 967, 994, 1420, 1934, 1988, 2485, 3868, 4835, 4970, 6769, 9670, 9940, 13538, 19340, 27076, 33845, 67690, 68657, 135380, 137314, 274628, 343285, 480599, 686570, 961198, 1373140, 1922396, 2402995, 4805990, 9611980]

約数ペア:

[(1, 9611980), (2, 4805990), (4, 2402995), (5, 1922396), (7, 1373140), (10, 961198), (14, 686570), (20, 480599), (28, 343285), (35, 274628), (70, 137314), (71, 135380), (140, 68657), (142, 67690), (284, 33845), (355, 27076), (497, 19340), (710, 13538), (967, 9940), (994, 9670), (1420, 6769), (1934, 4970), (1988, 4835), (2485, 3868)]