1982156900

素因数分解:

$2^2\times 5^2\times {\mathrm{19821569}}^1$

素因数の和:19821583

約数の個数: 18

約数和(自身を含む): 4301280690

約数和(自身を除く): 2319123790

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19821569, 39643138, 79286276, 99107845, 198215690, 396431380, 495539225, 991078450, 1982156900]

約数ペア:

[(1, 1982156900), (2, 991078450), (4, 495539225), (5, 396431380), (10, 198215690), (20, 99107845), (25, 79286276), (50, 39643138), (100, 19821569)]