201522140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{141917}}^1$

素因数の和:141997

約数の個数: 24

約数和(自身を含む): 429160032

約数和(自身を除く): 227637892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 141917, 283834, 567668, 709585, 1419170, 2838340, 10076107, 20152214, 40304428, 50380535, 100761070, 201522140]

約数ペア:

[(1, 201522140), (2, 100761070), (4, 50380535), (5, 40304428), (10, 20152214), (20, 10076107), (71, 2838340), (142, 1419170), (284, 709585), (355, 567668), (710, 283834), (1420, 141917)]