207702990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{209801}}^1$

素因数の和:209825

約数の個数: 48

約数和(自身を含む): 589124016

約数和(自身を除く): 381421026

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 209801, 419602, 629403, 1049005, 1258806, 1888209, 2098010, 2307811, 3147015, 3776418, 4615622, 6294030, 6923433, 9441045, 11539055, 13846866, 18882090, 20770299, 23078110, 34617165, 41540598, 69234330, 103851495, 207702990]

約数ペア:

[(1, 207702990), (2, 103851495), (3, 69234330), (5, 41540598), (6, 34617165), (9, 23078110), (10, 20770299), (11, 18882090), (15, 13846866), (18, 11539055), (22, 9441045), (30, 6923433), (33, 6294030), (45, 4615622), (55, 3776418), (66, 3147015), (90, 2307811), (99, 2098010), (110, 1888209), (165, 1258806), (198, 1049005), (330, 629403), (495, 419602), (990, 209801)]