61845260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 133358400

約数和(自身を除く): 71513140

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 449, 485, 710, 898, 970, 1420, 1796, 1940, 2245, 4490, 6887, 8980, 13774, 27548, 31879, 34435, 43553, 63758, 68870, 87106, 127516, 137740, 159395, 174212, 217765, 318790, 435530, 637580, 871060, 3092263, 6184526, 12369052, 15461315, 30922630, 61845260]

約数ペア:

[(1, 61845260), (2, 30922630), (4, 15461315), (5, 12369052), (10, 6184526), (20, 3092263), (71, 871060), (97, 637580), (142, 435530), (194, 318790), (284, 217765), (355, 174212), (388, 159395), (449, 137740), (485, 127516), (710, 87106), (898, 68870), (970, 63758), (1420, 43553), (1796, 34435), (1940, 31879), (2245, 27548), (4490, 13774), (6887, 8980)]