209917620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{106019}}^1$

素因数の和:106045

約数の個数: 72

約数和(自身を含む): 694643040

約数和(自身を除く): 484725420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 106019, 212038, 318057, 424076, 530095, 636114, 954171, 1060190, 1166209, 1272228, 1590285, 1908342, 2120380, 2332418, 3180570, 3498627, 3816684, 4664836, 4770855, 5831045, 6361140, 6997254, 9541710, 10495881, 11662090, 13994508, 17493135, 19083420, 20991762, 23324180, 34986270, 41983524, 52479405, 69972540, 104958810, 209917620]

約数ペア:

[(1, 209917620), (2, 104958810), (3, 69972540), (4, 52479405), (5, 41983524), (6, 34986270), (9, 23324180), (10, 20991762), (11, 19083420), (12, 17493135), (15, 13994508), (18, 11662090), (20, 10495881), (22, 9541710), (30, 6997254), (33, 6361140), (36, 5831045), (44, 4770855), (45, 4664836), (55, 3816684), (60, 3498627), (66, 3180570), (90, 2332418), (99, 2120380), (110, 1908342), (132, 1590285), (165, 1272228), (180, 1166209), (198, 1060190), (220, 954171), (330, 636114), (396, 530095), (495, 424076), (660, 318057), (990, 212038), (1980, 106019)]