68831525

素因数分解:

$5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 104160000

約数和(自身を除く): 35328475

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 343, 349, 575, 805, 1127, 1225, 1715, 1745, 2443, 4025, 5635, 7889, 8027, 8575, 8725, 12215, 17101, 28175, 39445, 40135, 56189, 61075, 85505, 119707, 197225, 200675, 280945, 393323, 427525, 598535, 1404725, 1966615, 2753261, 2992675, 9833075, 13766305, 68831525]

約数ペア:

[(1, 68831525), (5, 13766305), (7, 9833075), (23, 2992675), (25, 2753261), (35, 1966615), (49, 1404725), (115, 598535), (161, 427525), (175, 393323), (245, 280945), (343, 200675), (349, 197225), (575, 119707), (805, 85505), (1127, 61075), (1225, 56189), (1715, 40135), (1745, 39445), (2443, 28175), (4025, 17101), (5635, 12215), (7889, 8725), (8027, 8575)]