147058280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 341098560

約数和(自身を除く): 194040280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 344, 386, 430, 443, 772, 860, 886, 965, 1544, 1720, 1772, 1930, 2215, 3544, 3860, 4430, 7720, 8299, 8860, 16598, 17720, 19049, 33196, 38098, 41495, 66392, 76196, 82990, 85499, 95245, 152392, 165980, 170998, 190490, 331960, 341996, 380980, 427495, 683992, 761960, 854990, 1709980, 3419960, 3676457, 7352914, 14705828, 18382285, 29411656, 36764570, 73529140, 147058280]

約数ペア:

[(1, 147058280), (2, 73529140), (4, 36764570), (5, 29411656), (8, 18382285), (10, 14705828), (20, 7352914), (40, 3676457), (43, 3419960), (86, 1709980), (172, 854990), (193, 761960), (215, 683992), (344, 427495), (386, 380980), (430, 341996), (443, 331960), (772, 190490), (860, 170998), (886, 165980), (965, 152392), (1544, 95245), (1720, 85499), (1772, 82990), (1930, 76196), (2215, 66392), (3544, 41495), (3860, 38098), (4430, 33196), (7720, 19049), (8299, 17720), (8860, 16598)]