105912440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 246153600

約数和(自身を除く): 140241160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 443, 556, 695, 860, 886, 1112, 1390, 1720, 1772, 2215, 2780, 3544, 4430, 5560, 5977, 8860, 11954, 17720, 19049, 23908, 29885, 38098, 47816, 59770, 61577, 76196, 95245, 119540, 123154, 152392, 190490, 239080, 246308, 307885, 380980, 492616, 615770, 761960, 1231540, 2463080, 2647811, 5295622, 10591244, 13239055, 21182488, 26478110, 52956220, 105912440]

約数ペア:

[(1, 105912440), (2, 52956220), (4, 26478110), (5, 21182488), (8, 13239055), (10, 10591244), (20, 5295622), (40, 2647811), (43, 2463080), (86, 1231540), (139, 761960), (172, 615770), (215, 492616), (278, 380980), (344, 307885), (430, 246308), (443, 239080), (556, 190490), (695, 152392), (860, 123154), (886, 119540), (1112, 95245), (1390, 76196), (1720, 61577), (1772, 59770), (2215, 47816), (2780, 38098), (3544, 29885), (4430, 23908), (5560, 19049), (5977, 17720), (8860, 11954)]