310312000

素因数分解:

$2^6\times 5^3\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:597

約数の個数: 112

約数和(自身を含む): 779800320

約数和(自身を除く): 469488320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 158, 160, 200, 250, 316, 320, 395, 400, 491, 500, 632, 790, 800, 982, 1000, 1264, 1580, 1600, 1964, 1975, 2000, 2455, 2528, 3160, 3928, 3950, 4000, 4910, 5056, 6320, 7856, 7900, 8000, 9820, 9875, 12275, 12640, 15712, 15800, 19640, 19750, 24550, 25280, 31424, 31600, 38789, 39280, 39500, 49100, 61375, 63200, 77578, 78560, 79000, 98200, 122750, 126400, 155156, 157120, 158000, 193945, 196400, 245500, 310312, 316000, 387890, 392800, 491000, 620624, 632000, 775780, 785600, 969725, 982000, 1241248, 1551560, 1939450, 1964000, 2482496, 3103120, 3878900, 3928000, 4848625, 6206240, 7757800, 9697250, 12412480, 15515600, 19394500, 31031200, 38789000, 62062400, 77578000, 155156000, 310312000]

約数ペア:

[(1, 310312000), (2, 155156000), (4, 77578000), (5, 62062400), (8, 38789000), (10, 31031200), (16, 19394500), (20, 15515600), (25, 12412480), (32, 9697250), (40, 7757800), (50, 6206240), (64, 4848625), (79, 3928000), (80, 3878900), (100, 3103120), (125, 2482496), (158, 1964000), (160, 1939450), (200, 1551560), (250, 1241248), (316, 982000), (320, 969725), (395, 785600), (400, 775780), (491, 632000), (500, 620624), (632, 491000), (790, 392800), (800, 387890), (982, 316000), (1000, 310312), (1264, 245500), (1580, 196400), (1600, 193945), (1964, 158000), (1975, 157120), (2000, 155156), (2455, 126400), (2528, 122750), (3160, 98200), (3928, 79000), (3950, 78560), (4000, 77578), (4910, 63200), (5056, 61375), (6320, 49100), (7856, 39500), (7900, 39280), (8000, 38789), (9820, 31600), (9875, 31424), (12275, 25280), (12640, 24550), (15712, 19750), (15800, 19640)]