123542000

素因数分解:

$2^4\times 5^3\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 80

約数和(自身を含む): 301147392

約数和(自身を除く): 177605392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 223, 250, 277, 400, 446, 500, 554, 892, 1000, 1108, 1115, 1385, 1784, 2000, 2216, 2230, 2770, 3568, 4432, 4460, 5540, 5575, 6925, 8920, 11080, 11150, 13850, 17840, 22160, 22300, 27700, 27875, 34625, 44600, 55400, 55750, 61771, 69250, 89200, 110800, 111500, 123542, 138500, 223000, 247084, 277000, 308855, 446000, 494168, 554000, 617710, 988336, 1235420, 1544275, 2470840, 3088550, 4941680, 6177100, 7721375, 12354200, 15442750, 24708400, 30885500, 61771000, 123542000]

約数ペア:

[(1, 123542000), (2, 61771000), (4, 30885500), (5, 24708400), (8, 15442750), (10, 12354200), (16, 7721375), (20, 6177100), (25, 4941680), (40, 3088550), (50, 2470840), (80, 1544275), (100, 1235420), (125, 988336), (200, 617710), (223, 554000), (250, 494168), (277, 446000), (400, 308855), (446, 277000), (500, 247084), (554, 223000), (892, 138500), (1000, 123542), (1108, 111500), (1115, 110800), (1385, 89200), (1784, 69250), (2000, 61771), (2216, 55750), (2230, 55400), (2770, 44600), (3568, 34625), (4432, 27875), (4460, 27700), (5540, 22300), (5575, 22160), (6925, 17840), (8920, 13850), (11080, 11150)]