9901900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 36

約数和(自身を含む): 21764232

約数和(自身を除く): 11862332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1193, 1660, 2075, 2386, 4150, 4772, 5965, 8300, 11930, 23860, 29825, 59650, 99019, 119300, 198038, 396076, 495095, 990190, 1980380, 2475475, 4950950, 9901900]

約数ペア:

[(1, 9901900), (2, 4950950), (4, 2475475), (5, 1980380), (10, 990190), (20, 495095), (25, 396076), (50, 198038), (83, 119300), (100, 99019), (166, 59650), (332, 29825), (415, 23860), (830, 11930), (1193, 8300), (1660, 5965), (2075, 4772), (2386, 4150)]