68888000

素因数分解:

$2^6\times 5^3\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 112

約数和(自身を含む): 174345600

約数和(自身を除く): 105457600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 109, 125, 158, 160, 200, 218, 250, 316, 320, 395, 400, 436, 500, 545, 632, 790, 800, 872, 1000, 1090, 1264, 1580, 1600, 1744, 1975, 2000, 2180, 2528, 2725, 3160, 3488, 3950, 4000, 4360, 5056, 5450, 6320, 6976, 7900, 8000, 8611, 8720, 9875, 10900, 12640, 13625, 15800, 17222, 17440, 19750, 21800, 25280, 27250, 31600, 34444, 34880, 39500, 43055, 43600, 54500, 63200, 68888, 79000, 86110, 87200, 109000, 126400, 137776, 158000, 172220, 174400, 215275, 218000, 275552, 316000, 344440, 430550, 436000, 551104, 632000, 688880, 861100, 872000, 1076375, 1377760, 1722200, 2152750, 2755520, 3444400, 4305500, 6888800, 8611000, 13777600, 17222000, 34444000, 68888000]

約数ペア:

[(1, 68888000), (2, 34444000), (4, 17222000), (5, 13777600), (8, 8611000), (10, 6888800), (16, 4305500), (20, 3444400), (25, 2755520), (32, 2152750), (40, 1722200), (50, 1377760), (64, 1076375), (79, 872000), (80, 861100), (100, 688880), (109, 632000), (125, 551104), (158, 436000), (160, 430550), (200, 344440), (218, 316000), (250, 275552), (316, 218000), (320, 215275), (395, 174400), (400, 172220), (436, 158000), (500, 137776), (545, 126400), (632, 109000), (790, 87200), (800, 86110), (872, 79000), (1000, 68888), (1090, 63200), (1264, 54500), (1580, 43600), (1600, 43055), (1744, 39500), (1975, 34880), (2000, 34444), (2180, 31600), (2528, 27250), (2725, 25280), (3160, 21800), (3488, 19750), (3950, 17440), (4000, 17222), (4360, 15800), (5056, 13625), (5450, 12640), (6320, 10900), (6976, 9875), (7900, 8720), (8000, 8611)]