12947900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 32810400

約数和(自身を除く): 19862500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 349, 350, 371, 530, 698, 700, 742, 1060, 1325, 1396, 1484, 1745, 1855, 2443, 2650, 3490, 3710, 4886, 5300, 6980, 7420, 8725, 9275, 9772, 12215, 17450, 18497, 18550, 24430, 34900, 36994, 37100, 48860, 61075, 73988, 92485, 122150, 129479, 184970, 244300, 258958, 369940, 462425, 517916, 647395, 924850, 1294790, 1849700, 2589580, 3236975, 6473950, 12947900]

約数ペア:

[(1, 12947900), (2, 6473950), (4, 3236975), (5, 2589580), (7, 1849700), (10, 1294790), (14, 924850), (20, 647395), (25, 517916), (28, 462425), (35, 369940), (50, 258958), (53, 244300), (70, 184970), (100, 129479), (106, 122150), (140, 92485), (175, 73988), (212, 61075), (265, 48860), (349, 37100), (350, 36994), (371, 34900), (530, 24430), (698, 18550), (700, 18497), (742, 17450), (1060, 12215), (1325, 9772), (1396, 9275), (1484, 8725), (1745, 7420), (1855, 6980), (2443, 5300), (2650, 4886), (3490, 3710)]