1989860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 4293240

約数和(自身を除く): 2303380

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2689, 5378, 10756, 13445, 26890, 53780, 99493, 198986, 397972, 497465, 994930, 1989860]

約数ペア:

[(1, 1989860), (2, 994930), (4, 497465), (5, 397972), (10, 198986), (20, 99493), (37, 53780), (74, 26890), (148, 13445), (185, 10756), (370, 5378), (740, 2689)]