245456372

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 522262272

約数和(自身を除く): 276805900

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 71, 74, 94, 142, 148, 188, 259, 284, 329, 497, 518, 658, 994, 1036, 1316, 1739, 1988, 2627, 3337, 3478, 5041, 5254, 6674, 6956, 10082, 10508, 12173, 13348, 18389, 20164, 23359, 24346, 35287, 36778, 46718, 48692, 70574, 73556, 93436, 123469, 141148, 186517, 236927, 246938, 373034, 473854, 493876, 746068, 864283, 947708, 1305619, 1658489, 1728566, 2611238, 3316978, 3457132, 5222476, 6633956, 8766299, 17532598, 35065196, 61364093, 122728186, 245456372]

約数ペア:

[(1, 245456372), (2, 122728186), (4, 61364093), (7, 35065196), (14, 17532598), (28, 8766299), (37, 6633956), (47, 5222476), (71, 3457132), (74, 3316978), (94, 2611238), (142, 1728566), (148, 1658489), (188, 1305619), (259, 947708), (284, 864283), (329, 746068), (497, 493876), (518, 473854), (658, 373034), (994, 246938), (1036, 236927), (1316, 186517), (1739, 141148), (1988, 123469), (2627, 93436), (3337, 73556), (3478, 70574), (5041, 48692), (5254, 46718), (6674, 36778), (6956, 35287), (10082, 24346), (10508, 23359), (12173, 20164), (13348, 18389)]