1784977820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{4339}}^1$

素因数の和:4722

約数の個数: 48

約数和(自身を含む): 3817672320

約数和(自身を除く): 2032694500

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 307, 335, 614, 670, 1228, 1340, 1535, 3070, 4339, 6140, 8678, 17356, 20569, 21695, 41138, 43390, 82276, 86780, 102845, 205690, 290713, 411380, 581426, 1162852, 1332073, 1453565, 2664146, 2907130, 5328292, 5814260, 6660365, 13320730, 26641460, 89248891, 178497782, 356995564, 446244455, 892488910, 1784977820]

約数ペア:

[(1, 1784977820), (2, 892488910), (4, 446244455), (5, 356995564), (10, 178497782), (20, 89248891), (67, 26641460), (134, 13320730), (268, 6660365), (307, 5814260), (335, 5328292), (614, 2907130), (670, 2664146), (1228, 1453565), (1340, 1332073), (1535, 1162852), (3070, 581426), (4339, 411380), (6140, 290713), (8678, 205690), (17356, 102845), (20569, 86780), (21695, 82276), (41138, 43390)]