201517910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 413026560

約数和(自身を除く): 211508650

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 67, 74, 110, 134, 185, 335, 370, 407, 670, 737, 739, 814, 1474, 1478, 2035, 2479, 3685, 3695, 4070, 4958, 7370, 7390, 8129, 12395, 16258, 24790, 27269, 27343, 40645, 49513, 54538, 54686, 81290, 99026, 136345, 136715, 247565, 272690, 273430, 300773, 495130, 544643, 601546, 1089286, 1503865, 1831981, 2723215, 3007730, 3663962, 5446430, 9159905, 18319810, 20151791, 40303582, 100758955, 201517910]

約数ペア:

[(1, 201517910), (2, 100758955), (5, 40303582), (10, 20151791), (11, 18319810), (22, 9159905), (37, 5446430), (55, 3663962), (67, 3007730), (74, 2723215), (110, 1831981), (134, 1503865), (185, 1089286), (335, 601546), (370, 544643), (407, 495130), (670, 300773), (737, 273430), (739, 272690), (814, 247565), (1474, 136715), (1478, 136345), (2035, 99026), (2479, 81290), (3685, 54686), (3695, 54538), (4070, 49513), (4958, 40645), (7370, 27343), (7390, 27269), (8129, 24790), (12395, 16258)]