722543920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1290257}}^1$

素因数の和:1290277

約数の個数: 40

約数和(自身を含む): 1919903904

約数和(自身を除く): 1197359984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1290257, 2580514, 5161028, 6451285, 9031799, 10322056, 12902570, 18063598, 20644112, 25805140, 36127196, 45158995, 51610280, 72254392, 90317990, 103220560, 144508784, 180635980, 361271960, 722543920]

約数ペア:

[(1, 722543920), (2, 361271960), (4, 180635980), (5, 144508784), (7, 103220560), (8, 90317990), (10, 72254392), (14, 51610280), (16, 45158995), (20, 36127196), (28, 25805140), (35, 20644112), (40, 18063598), (56, 12902570), (70, 10322056), (80, 9031799), (112, 6451285), (140, 5161028), (280, 2580514), (560, 1290257)]