2291000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 5616000

約数和(自身を除く): 3325000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 79, 100, 116, 125, 145, 158, 200, 232, 250, 290, 316, 395, 500, 580, 632, 725, 790, 1000, 1160, 1450, 1580, 1975, 2291, 2900, 3160, 3625, 3950, 4582, 5800, 7250, 7900, 9164, 9875, 11455, 14500, 15800, 18328, 19750, 22910, 29000, 39500, 45820, 57275, 79000, 91640, 114550, 229100, 286375, 458200, 572750, 1145500, 2291000]

約数ペア:

[(1, 2291000), (2, 1145500), (4, 572750), (5, 458200), (8, 286375), (10, 229100), (20, 114550), (25, 91640), (29, 79000), (40, 57275), (50, 45820), (58, 39500), (79, 29000), (100, 22910), (116, 19750), (125, 18328), (145, 15800), (158, 14500), (200, 11455), (232, 9875), (250, 9164), (290, 7900), (316, 7250), (395, 5800), (500, 4582), (580, 3950), (632, 3625), (725, 3160), (790, 2900), (1000, 2291), (1160, 1975), (1450, 1580)]