17222000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 80

約数和(自身を含む): 42556800

約数和(自身を除く): 25334800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 109, 125, 158, 200, 218, 250, 316, 395, 400, 436, 500, 545, 632, 790, 872, 1000, 1090, 1264, 1580, 1744, 1975, 2000, 2180, 2725, 3160, 3950, 4360, 5450, 6320, 7900, 8611, 8720, 9875, 10900, 13625, 15800, 17222, 19750, 21800, 27250, 31600, 34444, 39500, 43055, 43600, 54500, 68888, 79000, 86110, 109000, 137776, 158000, 172220, 215275, 218000, 344440, 430550, 688880, 861100, 1076375, 1722200, 2152750, 3444400, 4305500, 8611000, 17222000]

約数ペア:

[(1, 17222000), (2, 8611000), (4, 4305500), (5, 3444400), (8, 2152750), (10, 1722200), (16, 1076375), (20, 861100), (25, 688880), (40, 430550), (50, 344440), (79, 218000), (80, 215275), (100, 172220), (109, 158000), (125, 137776), (158, 109000), (200, 86110), (218, 79000), (250, 68888), (316, 54500), (395, 43600), (400, 43055), (436, 39500), (500, 34444), (545, 31600), (632, 27250), (790, 21800), (872, 19750), (1000, 17222), (1090, 15800), (1264, 13625), (1580, 10900), (1744, 9875), (1975, 8720), (2000, 8611), (2180, 7900), (2725, 6320), (3160, 5450), (3950, 4360)]