2388440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 5644080

約数和(自身を除く): 3255640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 841, 1160, 1420, 1682, 2059, 2840, 3364, 4118, 4205, 6728, 8236, 8410, 10295, 16472, 16820, 20590, 33640, 41180, 59711, 82360, 119422, 238844, 298555, 477688, 597110, 1194220, 2388440]

約数ペア:

[(1, 2388440), (2, 1194220), (4, 597110), (5, 477688), (8, 298555), (10, 238844), (20, 119422), (29, 82360), (40, 59711), (58, 41180), (71, 33640), (116, 20590), (142, 16820), (145, 16472), (232, 10295), (284, 8410), (290, 8236), (355, 6728), (568, 4205), (580, 4118), (710, 3364), (841, 2840), (1160, 2059), (1420, 1682)]