1427440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2549}}^1$

素因数の和:2569

約数の個数: 40

約数和(自身を含む): 3794400

約数和(自身を除く): 2366960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2549, 5098, 10196, 12745, 17843, 20392, 25490, 35686, 40784, 50980, 71372, 89215, 101960, 142744, 178430, 203920, 285488, 356860, 713720, 1427440]

約数ペア:

[(1, 1427440), (2, 713720), (4, 356860), (5, 285488), (7, 203920), (8, 178430), (10, 142744), (14, 101960), (16, 89215), (20, 71372), (28, 50980), (35, 40784), (40, 35686), (56, 25490), (70, 20392), (80, 17843), (112, 12745), (140, 10196), (280, 5098), (560, 2549)]