4120655

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 6368040

約数和(自身を除く): 2247385

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 139, 245, 385, 539, 605, 695, 847, 973, 1529, 2695, 4235, 4865, 5929, 6811, 7645, 10703, 16819, 29645, 34055, 53515, 74921, 84095, 117733, 374605, 588665, 824131, 4120655]

約数ペア:

[(1, 4120655), (5, 824131), (7, 588665), (11, 374605), (35, 117733), (49, 84095), (55, 74921), (77, 53515), (121, 34055), (139, 29645), (245, 16819), (385, 10703), (539, 7645), (605, 6811), (695, 5929), (847, 4865), (973, 4235), (1529, 2695)]