319000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:61

約数の個数: 64

約数和(自身を含む): 842400

約数和(自身を除く): 523400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 29, 40, 44, 50, 55, 58, 88, 100, 110, 116, 125, 145, 200, 220, 232, 250, 275, 290, 319, 440, 500, 550, 580, 638, 725, 1000, 1100, 1160, 1276, 1375, 1450, 1595, 2200, 2552, 2750, 2900, 3190, 3625, 5500, 5800, 6380, 7250, 7975, 11000, 12760, 14500, 15950, 29000, 31900, 39875, 63800, 79750, 159500, 319000]

約数ペア:

[(1, 319000), (2, 159500), (4, 79750), (5, 63800), (8, 39875), (10, 31900), (11, 29000), (20, 15950), (22, 14500), (25, 12760), (29, 11000), (40, 7975), (44, 7250), (50, 6380), (55, 5800), (58, 5500), (88, 3625), (100, 3190), (110, 2900), (116, 2750), (125, 2552), (145, 2200), (200, 1595), (220, 1450), (232, 1375), (250, 1276), (275, 1160), (290, 1100), (319, 1000), (440, 725), (500, 638), (550, 580)]