209227750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{28859}}^1$

素因数の和:28905

約数の個数: 32

約数和(自身を含む): 405194400

約数和(自身を除く): 195966650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 3625, 7250, 28859, 57718, 144295, 288590, 721475, 836911, 1442950, 1673822, 3607375, 4184555, 7214750, 8369110, 20922775, 41845550, 104613875, 209227750]

約数ペア:

[(1, 209227750), (2, 104613875), (5, 41845550), (10, 20922775), (25, 8369110), (29, 7214750), (50, 4184555), (58, 3607375), (125, 1673822), (145, 1442950), (250, 836911), (290, 721475), (725, 288590), (1450, 144295), (3625, 57718), (7250, 28859)]