7854220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 18950400

約数和(自身を除く): 11096180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1879, 2090, 3758, 4180, 7516, 9395, 18790, 20669, 35701, 37580, 41338, 71402, 82676, 103345, 142804, 178505, 206690, 357010, 392711, 413380, 714020, 785422, 1570844, 1963555, 3927110, 7854220]

約数ペア:

[(1, 7854220), (2, 3927110), (4, 1963555), (5, 1570844), (10, 785422), (11, 714020), (19, 413380), (20, 392711), (22, 357010), (38, 206690), (44, 178505), (55, 142804), (76, 103345), (95, 82676), (110, 71402), (190, 41338), (209, 37580), (220, 35701), (380, 20669), (418, 18790), (836, 9395), (1045, 7516), (1879, 4180), (2090, 3758)]