74209975

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 110185408

約数和(自身を除く): 35975433

約数列:

[1, 5, 7, 25, 35, 37, 73, 157, 175, 185, 259, 365, 511, 785, 925, 1099, 1295, 1825, 2555, 2701, 3925, 5495, 5809, 6475, 11461, 12775, 13505, 18907, 27475, 29045, 40663, 57305, 67525, 80227, 94535, 145225, 203315, 286525, 401135, 424057, 472675, 1016575, 2005675, 2120285, 2968399, 10601425, 14841995, 74209975]

約数ペア:

[(1, 74209975), (5, 14841995), (7, 10601425), (25, 2968399), (35, 2120285), (37, 2005675), (73, 1016575), (157, 472675), (175, 424057), (185, 401135), (259, 286525), (365, 203315), (511, 145225), (785, 94535), (925, 80227), (1099, 67525), (1295, 57305), (1825, 40663), (2555, 29045), (2701, 27475), (3925, 18907), (5495, 13505), (5809, 12775), (6475, 11461)]