68758025

素因数分解:

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

素因数の和:139

約数の個数: 54

約数和(自身を含む): 104419098

約数和(自身を除く): 35661073

約数列:

[1, 5, 7, 25, 35, 37, 41, 49, 175, 185, 205, 245, 259, 287, 925, 1025, 1225, 1295, 1369, 1435, 1517, 1813, 2009, 6475, 6845, 7175, 7585, 9065, 9583, 10045, 10619, 34225, 37925, 45325, 47915, 50225, 53095, 56129, 67081, 74333, 239575, 265475, 280645, 335405, 371665, 392903, 1403225, 1677025, 1858325, 1964515, 2750321, 9822575, 13751605, 68758025]

約数ペア:

[(1, 68758025), (5, 13751605), (7, 9822575), (25, 2750321), (35, 1964515), (37, 1858325), (41, 1677025), (49, 1403225), (175, 392903), (185, 371665), (205, 335405), (245, 280645), (259, 265475), (287, 239575), (925, 74333), (1025, 67081), (1225, 56129), (1295, 53095), (1369, 50225), (1435, 47915), (1517, 45325), (1813, 37925), (2009, 34225), (6475, 10619), (6845, 10045), (7175, 9583), (7585, 9065)]