139938160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^2\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 60

約数和(自身を含む): 330954264

約数和(自身を除く): 191016104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 347, 355, 568, 694, 710, 1136, 1388, 1420, 1735, 2776, 2840, 3470, 5041, 5552, 5680, 6940, 10082, 13880, 20164, 24637, 25205, 27760, 40328, 49274, 50410, 80656, 98548, 100820, 123185, 197096, 201640, 246370, 394192, 403280, 492740, 985480, 1749227, 1970960, 3498454, 6996908, 8746135, 13993816, 17492270, 27987632, 34984540, 69969080, 139938160]

約数ペア:

[(1, 139938160), (2, 69969080), (4, 34984540), (5, 27987632), (8, 17492270), (10, 13993816), (16, 8746135), (20, 6996908), (40, 3498454), (71, 1970960), (80, 1749227), (142, 985480), (284, 492740), (347, 403280), (355, 394192), (568, 246370), (694, 201640), (710, 197096), (1136, 123185), (1388, 100820), (1420, 98548), (1735, 80656), (2776, 50410), (2840, 49274), (3470, 40328), (5041, 27760), (5552, 25205), (5680, 24637), (6940, 20164), (10082, 13880)]