76720525

素因数分解:

$5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 116064000

約数和(自身を除く): 39343475

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 343, 389, 575, 805, 1127, 1225, 1715, 1945, 2723, 4025, 5635, 7889, 8575, 8947, 9725, 13615, 19061, 28175, 39445, 44735, 62629, 68075, 95305, 133427, 197225, 223675, 313145, 438403, 476525, 667135, 1565725, 2192015, 3068821, 3335675, 10960075, 15344105, 76720525]

約数ペア:

[(1, 76720525), (5, 15344105), (7, 10960075), (23, 3335675), (25, 3068821), (35, 2192015), (49, 1565725), (115, 667135), (161, 476525), (175, 438403), (245, 313145), (343, 223675), (389, 197225), (575, 133427), (805, 95305), (1127, 68075), (1225, 62629), (1715, 44735), (1945, 39445), (2723, 28175), (4025, 19061), (5635, 13615), (7889, 9725), (8575, 8947)]