64542940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41911}}^1$

素因数の和:41938

約数の個数: 48

約数和(自身を含む): 168989184

約数和(自身を除く): 104446244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41911, 83822, 167644, 209555, 293377, 419110, 461021, 586754, 838220, 922042, 1173508, 1466885, 1844084, 2305105, 2933770, 3227147, 4610210, 5867540, 6454294, 9220420, 12908588, 16135735, 32271470, 64542940]

約数ペア:

[(1, 64542940), (2, 32271470), (4, 16135735), (5, 12908588), (7, 9220420), (10, 6454294), (11, 5867540), (14, 4610210), (20, 3227147), (22, 2933770), (28, 2305105), (35, 1844084), (44, 1466885), (55, 1173508), (70, 922042), (77, 838220), (110, 586754), (140, 461021), (154, 419110), (220, 293377), (308, 209555), (385, 167644), (770, 83822), (1540, 41911)]