1776280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 4404960

約数和(自身を除く): 2628680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 367, 440, 484, 605, 734, 968, 1210, 1468, 1835, 2420, 2936, 3670, 4037, 4840, 7340, 8074, 14680, 16148, 20185, 32296, 40370, 44407, 80740, 88814, 161480, 177628, 222035, 355256, 444070, 888140, 1776280]

約数ペア:

[(1, 1776280), (2, 888140), (4, 444070), (5, 355256), (8, 222035), (10, 177628), (11, 161480), (20, 88814), (22, 80740), (40, 44407), (44, 40370), (55, 32296), (88, 20185), (110, 16148), (121, 14680), (220, 8074), (242, 7340), (367, 4840), (440, 4037), (484, 3670), (605, 2936), (734, 2420), (968, 1835), (1210, 1468)]