2638258000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{26921}}^1$

素因数の和:26958

約数の個数: 120

約数和(自身を含む): 7421103144

約数和(自身を除く): 4782845144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2450, 2800, 3500, 3920, 4900, 6125, 7000, 9800, 12250, 14000, 19600, 24500, 26921, 49000, 53842, 98000, 107684, 134605, 188447, 215368, 269210, 376894, 430736, 538420, 673025, 753788, 942235, 1076840, 1319129, 1346050, 1507576, 1884470, 2153680, 2638258, 2692100, 3015152, 3365125, 3768940, 4711175, 5276516, 5384200, 6595645, 6730250, 7537880, 9422350, 10553032, 10768400, 13191290, 13460500, 15075760, 18844700, 21106064, 23555875, 26382580, 26921000, 32978225, 37689400, 47111750, 52765160, 53842000, 65956450, 75378800, 94223500, 105530320, 131912900, 164891125, 188447000, 263825800, 329782250, 376894000, 527651600, 659564500, 1319129000, 2638258000]

約数ペア:

[(1, 2638258000), (2, 1319129000), (4, 659564500), (5, 527651600), (7, 376894000), (8, 329782250), (10, 263825800), (14, 188447000), (16, 164891125), (20, 131912900), (25, 105530320), (28, 94223500), (35, 75378800), (40, 65956450), (49, 53842000), (50, 52765160), (56, 47111750), (70, 37689400), (80, 32978225), (98, 26921000), (100, 26382580), (112, 23555875), (125, 21106064), (140, 18844700), (175, 15075760), (196, 13460500), (200, 13191290), (245, 10768400), (250, 10553032), (280, 9422350), (350, 7537880), (392, 6730250), (400, 6595645), (490, 5384200), (500, 5276516), (560, 4711175), (700, 3768940), (784, 3365125), (875, 3015152), (980, 2692100), (1000, 2638258), (1225, 2153680), (1400, 1884470), (1750, 1507576), (1960, 1346050), (2000, 1319129), (2450, 1076840), (2800, 942235), (3500, 753788), (3920, 673025), (4900, 538420), (6125, 430736), (7000, 376894), (9800, 269210), (12250, 215368), (14000, 188447), (19600, 134605), (24500, 107684), (26921, 98000), (49000, 53842)]