340378640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{607819}}^1$

素因数の和:607839

約数の個数: 40

約数和(自身を含む): 904436160

約数和(自身を除く): 564057520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 607819, 1215638, 2431276, 3039095, 4254733, 4862552, 6078190, 8509466, 9725104, 12156380, 17018932, 21273665, 24312760, 34037864, 42547330, 48625520, 68075728, 85094660, 170189320, 340378640]

約数ペア:

[(1, 340378640), (2, 170189320), (4, 85094660), (5, 68075728), (7, 48625520), (8, 42547330), (10, 34037864), (14, 24312760), (16, 21273665), (20, 17018932), (28, 12156380), (35, 9725104), (40, 8509466), (56, 6078190), (70, 4862552), (80, 4254733), (112, 3039095), (140, 2431276), (280, 1215638), (560, 607819)]