9186940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 22224384

約数和(自身を除く): 13037444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 311, 422, 622, 844, 1055, 1244, 1477, 1555, 2110, 2177, 2954, 3110, 4220, 4354, 5908, 6220, 7385, 8708, 10885, 14770, 21770, 29540, 43540, 65621, 131242, 262484, 328105, 459347, 656210, 918694, 1312420, 1837388, 2296735, 4593470, 9186940]

約数ペア:

[(1, 9186940), (2, 4593470), (4, 2296735), (5, 1837388), (7, 1312420), (10, 918694), (14, 656210), (20, 459347), (28, 328105), (35, 262484), (70, 131242), (140, 65621), (211, 43540), (311, 29540), (422, 21770), (622, 14770), (844, 10885), (1055, 8708), (1244, 7385), (1477, 6220), (1555, 5908), (2110, 4354), (2177, 4220), (2954, 3110)]