42914000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 80

約数和(自身を含む): 106392000

約数和(自身を除く): 63478000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 250, 344, 400, 430, 499, 500, 688, 860, 998, 1000, 1075, 1720, 1996, 2000, 2150, 2495, 3440, 3992, 4300, 4990, 5375, 7984, 8600, 9980, 10750, 12475, 17200, 19960, 21457, 21500, 24950, 39920, 42914, 43000, 49900, 62375, 85828, 86000, 99800, 107285, 124750, 171656, 199600, 214570, 249500, 343312, 429140, 499000, 536425, 858280, 998000, 1072850, 1716560, 2145700, 2682125, 4291400, 5364250, 8582800, 10728500, 21457000, 42914000]

約数ペア:

[(1, 42914000), (2, 21457000), (4, 10728500), (5, 8582800), (8, 5364250), (10, 4291400), (16, 2682125), (20, 2145700), (25, 1716560), (40, 1072850), (43, 998000), (50, 858280), (80, 536425), (86, 499000), (100, 429140), (125, 343312), (172, 249500), (200, 214570), (215, 199600), (250, 171656), (344, 124750), (400, 107285), (430, 99800), (499, 86000), (500, 85828), (688, 62375), (860, 49900), (998, 43000), (1000, 42914), (1075, 39920), (1720, 24950), (1996, 21500), (2000, 21457), (2150, 19960), (2495, 17200), (3440, 12475), (3992, 10750), (4300, 9980), (4990, 8600), (5375, 7984)]