189991325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{967}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 244865280

約数和(自身を除く): 54873955

約数列:

[1, 5, 25, 29, 145, 271, 725, 967, 1355, 4835, 6775, 7859, 24175, 28043, 39295, 140215, 196475, 262057, 701075, 1310285, 6551425, 7599653, 37998265, 189991325]

約数ペア:

[(1, 189991325), (5, 37998265), (25, 7599653), (29, 6551425), (145, 1310285), (271, 701075), (725, 262057), (967, 196475), (1355, 140215), (4835, 39295), (6775, 28043), (7859, 24175)]