210624380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{647}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 454942656

約数和(自身を除く): 244318276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 397, 410, 647, 794, 820, 1294, 1588, 1985, 2588, 3235, 3970, 6470, 7940, 12940, 16277, 26527, 32554, 53054, 65108, 81385, 106108, 132635, 162770, 256859, 265270, 325540, 513718, 530540, 1027436, 1284295, 2568590, 5137180, 10531219, 21062438, 42124876, 52656095, 105312190, 210624380]

約数ペア:

[(1, 210624380), (2, 105312190), (4, 52656095), (5, 42124876), (10, 21062438), (20, 10531219), (41, 5137180), (82, 2568590), (164, 1284295), (205, 1027436), (397, 530540), (410, 513718), (647, 325540), (794, 265270), (820, 256859), (1294, 162770), (1588, 132635), (1985, 106108), (2588, 81385), (3235, 65108), (3970, 53054), (6470, 32554), (7940, 26527), (12940, 16277)]