74457845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 117573120

約数和(自身を除く): 43115275

約数列:

[1, 5, 7, 11, 35, 41, 53, 55, 77, 89, 205, 265, 287, 371, 385, 445, 451, 583, 623, 979, 1435, 1855, 2173, 2255, 2915, 3115, 3157, 3649, 4081, 4717, 4895, 6853, 10865, 15211, 15785, 18245, 20405, 23585, 23903, 25543, 33019, 34265, 40139, 51887, 76055, 119515, 127715, 165095, 167321, 193397, 200695, 259435, 280973, 363209, 836605, 966985, 1353779, 1404865, 1816045, 2127367, 6768895, 10636835, 14891569, 74457845]

約数ペア:

[(1, 74457845), (5, 14891569), (7, 10636835), (11, 6768895), (35, 2127367), (41, 1816045), (53, 1404865), (55, 1353779), (77, 966985), (89, 836605), (205, 363209), (265, 280973), (287, 259435), (371, 200695), (385, 193397), (445, 167321), (451, 165095), (583, 127715), (623, 119515), (979, 76055), (1435, 51887), (1855, 40139), (2173, 34265), (2255, 33019), (2915, 25543), (3115, 23903), (3157, 23585), (3649, 20405), (4081, 18245), (4717, 15785), (4895, 15211), (6853, 10865)]