320238275

素因数分解:

$5^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1327}}^1$

素因数の和:1548

約数の個数: 36

約数和(自身を含む): 464622048

約数和(自身を除く): 144383773

約数列:

[1, 5, 7, 25, 35, 49, 175, 197, 245, 985, 1225, 1327, 1379, 4925, 6635, 6895, 9289, 9653, 33175, 34475, 46445, 48265, 65023, 232225, 241325, 261419, 325115, 1307095, 1625575, 1829933, 6535475, 9149665, 12809531, 45748325, 64047655, 320238275]

約数ペア:

[(1, 320238275), (5, 64047655), (7, 45748325), (25, 12809531), (35, 9149665), (49, 6535475), (175, 1829933), (197, 1625575), (245, 1307095), (985, 325115), (1225, 261419), (1327, 241325), (1379, 232225), (4925, 65023), (6635, 48265), (6895, 46445), (9289, 34475), (9653, 33175)]