209413525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 281966080

約数和(自身を除く): 72552555

約数列:

[1, 5, 25, 31, 37, 67, 109, 155, 185, 335, 545, 775, 925, 1147, 1675, 2077, 2479, 2725, 3379, 4033, 5735, 7303, 10385, 12395, 16895, 20165, 28675, 36515, 51925, 61975, 76849, 84475, 100825, 125023, 182575, 226393, 270211, 384245, 625115, 1131965, 1351055, 1921225, 3125575, 5659825, 6755275, 8376541, 41882705, 209413525]

約数ペア:

[(1, 209413525), (5, 41882705), (25, 8376541), (31, 6755275), (37, 5659825), (67, 3125575), (109, 1921225), (155, 1351055), (185, 1131965), (335, 625115), (545, 384245), (775, 270211), (925, 226393), (1147, 182575), (1675, 125023), (2077, 100825), (2479, 84475), (2725, 76849), (3379, 61975), (4033, 51925), (5735, 36515), (7303, 28675), (10385, 20165), (12395, 16895)]