28237660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 66457440

約数和(自身を除く): 38219780

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, 3469, 4070, 6938, 8140, 13876, 17345, 34690, 38159, 69380, 76318, 128353, 152636, 190795, 256706, 381590, 513412, 641765, 763180, 1283530, 1411883, 2567060, 2823766, 5647532, 7059415, 14118830, 28237660]

約数ペア:

[(1, 28237660), (2, 14118830), (4, 7059415), (5, 5647532), (10, 2823766), (11, 2567060), (20, 1411883), (22, 1283530), (37, 763180), (44, 641765), (55, 513412), (74, 381590), (110, 256706), (148, 190795), (185, 152636), (220, 128353), (370, 76318), (407, 69380), (740, 38159), (814, 34690), (1628, 17345), (2035, 13876), (3469, 8140), (4070, 6938)]