388268540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{2069}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 890961120

約数和(自身を除く): 502692580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 853, 1706, 2069, 3412, 4138, 4265, 8276, 8530, 9383, 10345, 17060, 18766, 20690, 22759, 37532, 41380, 45518, 46915, 91036, 93830, 113795, 187660, 227590, 455180, 1764857, 3529714, 7059428, 8824285, 17648570, 19413427, 35297140, 38826854, 77653708, 97067135, 194134270, 388268540]

約数ペア:

[(1, 388268540), (2, 194134270), (4, 97067135), (5, 77653708), (10, 38826854), (11, 35297140), (20, 19413427), (22, 17648570), (44, 8824285), (55, 7059428), (110, 3529714), (220, 1764857), (853, 455180), (1706, 227590), (2069, 187660), (3412, 113795), (4138, 93830), (4265, 91036), (8276, 46915), (8530, 45518), (9383, 41380), (10345, 37532), (17060, 22759), (18766, 20690)]