136390840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 316483200

約数和(自身を除く): 180092360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 179, 215, 344, 358, 430, 443, 716, 860, 886, 895, 1432, 1720, 1772, 1790, 2215, 3544, 3580, 4430, 7160, 7697, 8860, 15394, 17720, 19049, 30788, 38098, 38485, 61576, 76196, 76970, 79297, 95245, 152392, 153940, 158594, 190490, 307880, 317188, 380980, 396485, 634376, 761960, 792970, 1585940, 3171880, 3409771, 6819542, 13639084, 17048855, 27278168, 34097710, 68195420, 136390840]

約数ペア:

[(1, 136390840), (2, 68195420), (4, 34097710), (5, 27278168), (8, 17048855), (10, 13639084), (20, 6819542), (40, 3409771), (43, 3171880), (86, 1585940), (172, 792970), (179, 761960), (215, 634376), (344, 396485), (358, 380980), (430, 317188), (443, 307880), (716, 190490), (860, 158594), (886, 153940), (895, 152392), (1432, 95245), (1720, 79297), (1772, 76970), (1790, 76196), (2215, 61576), (3544, 38485), (3580, 38098), (4430, 30788), (7160, 19049), (7697, 17720), (8860, 15394)]