79907975

素因数分解:

$5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 124085808

約数和(自身を除く): 44177833

約数列:

[1, 5, 7, 25, 35, 37, 41, 43, 49, 175, 185, 205, 215, 245, 259, 287, 301, 925, 1025, 1075, 1225, 1295, 1435, 1505, 1517, 1591, 1763, 1813, 2009, 2107, 6475, 7175, 7525, 7585, 7955, 8815, 9065, 10045, 10535, 10619, 11137, 12341, 37925, 39775, 44075, 45325, 50225, 52675, 53095, 55685, 61705, 65231, 74333, 77959, 86387, 265475, 278425, 308525, 326155, 371665, 389795, 431935, 456617, 1630775, 1858325, 1948975, 2159675, 2283085, 3196319, 11415425, 15981595, 79907975]

約数ペア:

[(1, 79907975), (5, 15981595), (7, 11415425), (25, 3196319), (35, 2283085), (37, 2159675), (41, 1948975), (43, 1858325), (49, 1630775), (175, 456617), (185, 431935), (205, 389795), (215, 371665), (245, 326155), (259, 308525), (287, 278425), (301, 265475), (925, 86387), (1025, 77959), (1075, 74333), (1225, 65231), (1295, 61705), (1435, 55685), (1505, 53095), (1517, 52675), (1591, 50225), (1763, 45325), (1813, 44075), (2009, 39775), (2107, 37925), (6475, 12341), (7175, 11137), (7525, 10619), (7585, 10535), (7955, 10045), (8815, 9065)]