12273100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 30935520

約数和(自身を除く): 18662420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 197, 350, 356, 394, 445, 623, 700, 788, 890, 985, 1246, 1379, 1780, 1970, 2225, 2492, 2758, 3115, 3940, 4450, 4925, 5516, 6230, 6895, 8900, 9850, 12460, 13790, 15575, 17533, 19700, 27580, 31150, 34475, 35066, 62300, 68950, 70132, 87665, 122731, 137900, 175330, 245462, 350660, 438325, 490924, 613655, 876650, 1227310, 1753300, 2454620, 3068275, 6136550, 12273100]

約数ペア:

[(1, 12273100), (2, 6136550), (4, 3068275), (5, 2454620), (7, 1753300), (10, 1227310), (14, 876650), (20, 613655), (25, 490924), (28, 438325), (35, 350660), (50, 245462), (70, 175330), (89, 137900), (100, 122731), (140, 87665), (175, 70132), (178, 68950), (197, 62300), (350, 35066), (356, 34475), (394, 31150), (445, 27580), (623, 19700), (700, 17533), (788, 15575), (890, 13790), (985, 12460), (1246, 9850), (1379, 8900), (1780, 6895), (1970, 6230), (2225, 5516), (2492, 4925), (2758, 4450), (3115, 3940)]