73861100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 166708080

約数和(自身を除く): 92846980

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 89, 100, 172, 178, 193, 215, 356, 386, 430, 445, 772, 860, 890, 965, 1075, 1780, 1930, 2150, 2225, 3827, 3860, 4300, 4450, 4825, 7654, 8299, 8900, 9650, 15308, 16598, 17177, 19135, 19300, 33196, 34354, 38270, 41495, 68708, 76540, 82990, 85885, 95675, 165980, 171770, 191350, 207475, 343540, 382700, 414950, 429425, 738611, 829900, 858850, 1477222, 1717700, 2954444, 3693055, 7386110, 14772220, 18465275, 36930550, 73861100]

約数ペア:

[(1, 73861100), (2, 36930550), (4, 18465275), (5, 14772220), (10, 7386110), (20, 3693055), (25, 2954444), (43, 1717700), (50, 1477222), (86, 858850), (89, 829900), (100, 738611), (172, 429425), (178, 414950), (193, 382700), (215, 343540), (356, 207475), (386, 191350), (430, 171770), (445, 165980), (772, 95675), (860, 85885), (890, 82990), (965, 76540), (1075, 68708), (1780, 41495), (1930, 38270), (2150, 34354), (2225, 33196), (3827, 19300), (3860, 19135), (4300, 17177), (4450, 16598), (4825, 15308), (7654, 9650), (8299, 8900)]