388472000

素因数分解:

$2^6\times 5^3\times 7^2\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 168

約数和(自身を含む): 1120249728

約数和(自身を除く): 731777728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 320, 350, 392, 400, 448, 490, 500, 560, 700, 784, 800, 875, 980, 991, 1000, 1120, 1225, 1400, 1568, 1600, 1750, 1960, 1982, 2000, 2240, 2450, 2800, 3136, 3500, 3920, 3964, 4000, 4900, 4955, 5600, 6125, 6937, 7000, 7840, 7928, 8000, 9800, 9910, 11200, 12250, 13874, 14000, 15680, 15856, 19600, 19820, 24500, 24775, 27748, 28000, 31712, 34685, 39200, 39640, 48559, 49000, 49550, 55496, 56000, 63424, 69370, 78400, 79280, 97118, 98000, 99100, 110992, 123875, 138740, 158560, 173425, 194236, 196000, 198200, 221984, 242795, 247750, 277480, 317120, 346850, 388472, 392000, 396400, 443968, 485590, 495500, 554960, 693700, 776944, 792800, 867125, 971180, 991000, 1109920, 1213975, 1387400, 1553888, 1585600, 1734250, 1942360, 1982000, 2219840, 2427950, 2774800, 3107776, 3468500, 3884720, 3964000, 4855900, 5549600, 6069875, 6937000, 7769440, 7928000, 9711800, 11099200, 12139750, 13874000, 15538880, 19423600, 24279500, 27748000, 38847200, 48559000, 55496000, 77694400, 97118000, 194236000, 388472000]

約数ペア:

[(1, 388472000), (2, 194236000), (4, 97118000), (5, 77694400), (7, 55496000), (8, 48559000), (10, 38847200), (14, 27748000), (16, 24279500), (20, 19423600), (25, 15538880), (28, 13874000), (32, 12139750), (35, 11099200), (40, 9711800), (49, 7928000), (50, 7769440), (56, 6937000), (64, 6069875), (70, 5549600), (80, 4855900), (98, 3964000), (100, 3884720), (112, 3468500), (125, 3107776), (140, 2774800), (160, 2427950), (175, 2219840), (196, 1982000), (200, 1942360), (224, 1734250), (245, 1585600), (250, 1553888), (280, 1387400), (320, 1213975), (350, 1109920), (392, 991000), (400, 971180), (448, 867125), (490, 792800), (500, 776944), (560, 693700), (700, 554960), (784, 495500), (800, 485590), (875, 443968), (980, 396400), (991, 392000), (1000, 388472), (1120, 346850), (1225, 317120), (1400, 277480), (1568, 247750), (1600, 242795), (1750, 221984), (1960, 198200), (1982, 196000), (2000, 194236), (2240, 173425), (2450, 158560), (2800, 138740), (3136, 123875), (3500, 110992), (3920, 99100), (3964, 98000), (4000, 97118), (4900, 79280), (4955, 78400), (5600, 69370), (6125, 63424), (6937, 56000), (7000, 55496), (7840, 49550), (7928, 49000), (8000, 48559), (9800, 39640), (9910, 39200), (11200, 34685), (12250, 31712), (13874, 28000), (14000, 27748), (15680, 24775), (15856, 24500), (19600, 19820)]