340977100

素因数分解:

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

素因数の和:679

約数の個数: 72

約数和(自身を含む): 763076160

約数和(自身を除く): 422099060

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 179, 215, 358, 430, 443, 716, 860, 886, 895, 1075, 1772, 1790, 2150, 2215, 3580, 4300, 4430, 4475, 7697, 8860, 8950, 11075, 15394, 17900, 19049, 22150, 30788, 38098, 38485, 44300, 76196, 76970, 79297, 95245, 153940, 158594, 190490, 192425, 317188, 380980, 384850, 396485, 476225, 769700, 792970, 952450, 1585940, 1904900, 1982425, 3409771, 3964850, 6819542, 7929700, 13639084, 17048855, 34097710, 68195420, 85244275, 170488550, 340977100]

約数ペア:

[(1, 340977100), (2, 170488550), (4, 85244275), (5, 68195420), (10, 34097710), (20, 17048855), (25, 13639084), (43, 7929700), (50, 6819542), (86, 3964850), (100, 3409771), (172, 1982425), (179, 1904900), (215, 1585940), (358, 952450), (430, 792970), (443, 769700), (716, 476225), (860, 396485), (886, 384850), (895, 380980), (1075, 317188), (1772, 192425), (1790, 190490), (2150, 158594), (2215, 153940), (3580, 95245), (4300, 79297), (4430, 76970), (4475, 76196), (7697, 44300), (8860, 38485), (8950, 38098), (11075, 30788), (15394, 22150), (17900, 19049)]