199138580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{119963}}^1$

素因数の和:120055

約数の個数: 24

約数和(自身を含む): 423232992

約数和(自身を除く): 224094412

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 119963, 239926, 479852, 599815, 1199630, 2399260, 9956929, 19913858, 39827716, 49784645, 99569290, 199138580]

約数ペア:

[(1, 199138580), (2, 99569290), (4, 49784645), (5, 39827716), (10, 19913858), (20, 9956929), (83, 2399260), (166, 1199630), (332, 599815), (415, 479852), (830, 239926), (1660, 119963)]