199339900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{14341}}^1$

素因数の和:14494

約数の個数: 36

約数和(自身を含む): 435709960

約数和(自身を除く): 236370060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 14341, 28682, 57364, 71705, 143410, 286820, 358525, 717050, 1434100, 1993399, 3986798, 7973596, 9966995, 19933990, 39867980, 49834975, 99669950, 199339900]

約数ペア:

[(1, 199339900), (2, 99669950), (4, 49834975), (5, 39867980), (10, 19933990), (20, 9966995), (25, 7973596), (50, 3986798), (100, 1993399), (139, 1434100), (278, 717050), (556, 358525), (695, 286820), (1390, 143410), (2780, 71705), (3475, 57364), (6950, 28682), (13900, 14341)]