200031950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 381672000

約数和(自身を除く): 181640050

約数列:

[1, 2, 5, 10, 25, 50, 79, 89, 158, 178, 395, 445, 569, 790, 890, 1138, 1975, 2225, 2845, 3950, 4450, 5690, 7031, 14062, 14225, 28450, 35155, 44951, 50641, 70310, 89902, 101282, 175775, 224755, 253205, 351550, 449510, 506410, 1123775, 1266025, 2247550, 2532050, 4000639, 8001278, 20003195, 40006390, 100015975, 200031950]

約数ペア:

[(1, 200031950), (2, 100015975), (5, 40006390), (10, 20003195), (25, 8001278), (50, 4000639), (79, 2532050), (89, 2247550), (158, 1266025), (178, 1123775), (395, 506410), (445, 449510), (569, 351550), (790, 253205), (890, 224755), (1138, 175775), (1975, 101282), (2225, 89902), (2845, 70310), (3950, 50641), (4450, 44951), (5690, 35155), (7031, 28450), (14062, 14225)]