1007440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{257}}^1$

素因数の和:284

約数の個数: 60

約数和(自身を含む): 2735316

約数和(自身を除く): 1727876

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 257, 280, 392, 490, 514, 560, 784, 980, 1028, 1285, 1799, 1960, 2056, 2570, 3598, 3920, 4112, 5140, 7196, 8995, 10280, 12593, 14392, 17990, 20560, 25186, 28784, 35980, 50372, 62965, 71960, 100744, 125930, 143920, 201488, 251860, 503720, 1007440]

約数ペア:

[(1, 1007440), (2, 503720), (4, 251860), (5, 201488), (7, 143920), (8, 125930), (10, 100744), (14, 71960), (16, 62965), (20, 50372), (28, 35980), (35, 28784), (40, 25186), (49, 20560), (56, 17990), (70, 14392), (80, 12593), (98, 10280), (112, 8995), (140, 7196), (196, 5140), (245, 4112), (257, 3920), (280, 3598), (392, 2570), (490, 2056), (514, 1960), (560, 1799), (784, 1285), (980, 1028)]