140768540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{639857}}^1$

素因数の和:639877

約数の個数: 24

約数和(自身を含む): 322488432

約数和(自身を除く): 181719892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 639857, 1279714, 2559428, 3199285, 6398570, 7038427, 12797140, 14076854, 28153708, 35192135, 70384270, 140768540]

約数ペア:

[(1, 140768540), (2, 70384270), (4, 35192135), (5, 28153708), (10, 14076854), (11, 12797140), (20, 7038427), (22, 6398570), (44, 3199285), (55, 2559428), (110, 1279714), (220, 639857)]