7763140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 20615616

約数和(自身を除く): 12852476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2485, 3124, 3905, 4970, 5041, 5467, 7810, 9940, 10082, 10934, 15620, 20164, 21868, 25205, 27335, 35287, 50410, 54670, 55451, 70574, 100820, 109340, 110902, 141148, 176435, 221804, 277255, 352870, 388157, 554510, 705740, 776314, 1109020, 1552628, 1940785, 3881570, 7763140]

約数ペア:

[(1, 7763140), (2, 3881570), (4, 1940785), (5, 1552628), (7, 1109020), (10, 776314), (11, 705740), (14, 554510), (20, 388157), (22, 352870), (28, 277255), (35, 221804), (44, 176435), (55, 141148), (70, 110902), (71, 109340), (77, 100820), (110, 70574), (140, 55451), (142, 54670), (154, 50410), (220, 35287), (284, 27335), (308, 25205), (355, 21868), (385, 20164), (497, 15620), (710, 10934), (770, 10082), (781, 9940), (994, 7810), (1420, 5467), (1540, 5041), (1562, 4970), (1988, 3905), (2485, 3124)]