129549640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{294431}}^1$

素因数の和:294453

約数の個数: 32

約数和(自身を含む): 317986560

約数和(自身を除く): 188436920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 294431, 588862, 1177724, 1472155, 2355448, 2944310, 3238741, 5888620, 6477482, 11777240, 12954964, 16193705, 25909928, 32387410, 64774820, 129549640]

約数ペア:

[(1, 129549640), (2, 64774820), (4, 32387410), (5, 25909928), (8, 16193705), (10, 12954964), (11, 11777240), (20, 6477482), (22, 5888620), (40, 3238741), (44, 2944310), (55, 2355448), (88, 1472155), (110, 1177724), (220, 588862), (440, 294431)]