201778940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1511}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 463325184

約数和(自身を除く): 261546244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 607, 1214, 1511, 2428, 3022, 3035, 6044, 6070, 6677, 7555, 12140, 13354, 15110, 16621, 26708, 30220, 33242, 33385, 66484, 66770, 83105, 133540, 166210, 332420, 917177, 1834354, 3668708, 4585885, 9171770, 10088947, 18343540, 20177894, 40355788, 50444735, 100889470, 201778940]

約数ペア:

[(1, 201778940), (2, 100889470), (4, 50444735), (5, 40355788), (10, 20177894), (11, 18343540), (20, 10088947), (22, 9171770), (44, 4585885), (55, 3668708), (110, 1834354), (220, 917177), (607, 332420), (1214, 166210), (1511, 133540), (2428, 83105), (3022, 66770), (3035, 66484), (6044, 33385), (6070, 33242), (6677, 30220), (7555, 26708), (12140, 16621), (13354, 15110)]