201990220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{348259}}^1$

素因数の和:348297

約数の個数: 24

約数和(自身を含む): 438807600

約数和(自身を除く): 236817380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 348259, 696518, 1393036, 1741295, 3482590, 6965180, 10099511, 20199022, 40398044, 50497555, 100995110, 201990220]

約数ペア:

[(1, 201990220), (2, 100995110), (4, 50497555), (5, 40398044), (10, 20199022), (20, 10099511), (29, 6965180), (58, 3482590), (116, 1741295), (145, 1393036), (290, 696518), (580, 348259)]