1277896180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{27529}}^1$

素因数の和:27760

約数の個数: 48

約数和(自身を含む): 2941525440

約数和(自身を除く): 1663629260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 2110, 2321, 4220, 4642, 9284, 11605, 23210, 27529, 46420, 55058, 110116, 137645, 275290, 302819, 550580, 605638, 1211276, 1514095, 3028190, 5808619, 6056380, 11617238, 23234476, 29043095, 58086190, 63894809, 116172380, 127789618, 255579236, 319474045, 638948090, 1277896180]

約数ペア:

[(1, 1277896180), (2, 638948090), (4, 319474045), (5, 255579236), (10, 127789618), (11, 116172380), (20, 63894809), (22, 58086190), (44, 29043095), (55, 23234476), (110, 11617238), (211, 6056380), (220, 5808619), (422, 3028190), (844, 1514095), (1055, 1211276), (2110, 605638), (2321, 550580), (4220, 302819), (4642, 275290), (9284, 137645), (11605, 110116), (23210, 55058), (27529, 46420)]