1231340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 2933280

約数和(自身を除く): 1701940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 193, 220, 290, 319, 386, 580, 638, 772, 965, 1276, 1595, 1930, 2123, 3190, 3860, 4246, 5597, 6380, 8492, 10615, 11194, 21230, 22388, 27985, 42460, 55970, 61567, 111940, 123134, 246268, 307835, 615670, 1231340]

約数ペア:

[(1, 1231340), (2, 615670), (4, 307835), (5, 246268), (10, 123134), (11, 111940), (20, 61567), (22, 55970), (29, 42460), (44, 27985), (55, 22388), (58, 21230), (110, 11194), (116, 10615), (145, 8492), (193, 6380), (220, 5597), (290, 4246), (319, 3860), (386, 3190), (580, 2123), (638, 1930), (772, 1595), (965, 1276)]