245500825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 336447216

約数和(自身を除く): 90946391

約数列:

[1, 5, 17, 25, 41, 73, 85, 193, 205, 365, 425, 697, 965, 1025, 1241, 1825, 2993, 3281, 3485, 4825, 6205, 7913, 14089, 14965, 16405, 17425, 31025, 39565, 50881, 70445, 74825, 82025, 134521, 197825, 239513, 254405, 352225, 577649, 672605, 1197565, 1272025, 2888245, 3363025, 5987825, 9820033, 14441225, 49100165, 245500825]

約数ペア:

[(1, 245500825), (5, 49100165), (17, 14441225), (25, 9820033), (41, 5987825), (73, 3363025), (85, 2888245), (193, 1272025), (205, 1197565), (365, 672605), (425, 577649), (697, 352225), (965, 254405), (1025, 239513), (1241, 197825), (1825, 134521), (2993, 82025), (3281, 74825), (3485, 70445), (4825, 50881), (6205, 39565), (7913, 31025), (14089, 17425), (14965, 16405)]