1259300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 54

約数和(自身を含む): 3191202

約数和(自身を除く): 1931902

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 257, 350, 490, 514, 700, 980, 1028, 1225, 1285, 1799, 2450, 2570, 3598, 4900, 5140, 6425, 7196, 8995, 12593, 12850, 17990, 25186, 25700, 35980, 44975, 50372, 62965, 89950, 125930, 179900, 251860, 314825, 629650, 1259300]

約数ペア:

[(1, 1259300), (2, 629650), (4, 314825), (5, 251860), (7, 179900), (10, 125930), (14, 89950), (20, 62965), (25, 50372), (28, 44975), (35, 35980), (49, 25700), (50, 25186), (70, 17990), (98, 12850), (100, 12593), (140, 8995), (175, 7196), (196, 6425), (245, 5140), (257, 4900), (350, 3598), (490, 2570), (514, 2450), (700, 1799), (980, 1285), (1028, 1225)]