166145540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20411}}^1$

素因数の和:20468

約数の個数: 48

約数和(自身を含む): 390930624

約数和(自身を除く): 224785084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 20411, 40822, 81644, 102055, 204110, 224521, 408220, 449042, 755207, 898084, 1122605, 1510414, 2245210, 3020828, 3776035, 4490420, 7552070, 8307277, 15104140, 16614554, 33229108, 41536385, 83072770, 166145540]

約数ペア:

[(1, 166145540), (2, 83072770), (4, 41536385), (5, 33229108), (10, 16614554), (11, 15104140), (20, 8307277), (22, 7552070), (37, 4490420), (44, 3776035), (55, 3020828), (74, 2245210), (110, 1510414), (148, 1122605), (185, 898084), (220, 755207), (370, 449042), (407, 408220), (740, 224521), (814, 204110), (1628, 102055), (2035, 81644), (4070, 40822), (8140, 20411)]