31971340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 70056000

約数和(自身を除く): 38084660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 277, 290, 398, 554, 580, 796, 995, 1108, 1385, 1990, 2770, 3980, 5540, 5771, 8033, 11542, 16066, 23084, 28855, 32132, 40165, 55123, 57710, 80330, 110246, 115420, 160660, 220492, 275615, 551230, 1102460, 1598567, 3197134, 6394268, 7992835, 15985670, 31971340]

約数ペア:

[(1, 31971340), (2, 15985670), (4, 7992835), (5, 6394268), (10, 3197134), (20, 1598567), (29, 1102460), (58, 551230), (116, 275615), (145, 220492), (199, 160660), (277, 115420), (290, 110246), (398, 80330), (554, 57710), (580, 55123), (796, 40165), (995, 32132), (1108, 28855), (1385, 23084), (1990, 16066), (2770, 11542), (3980, 8033), (5540, 5771)]