1392440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4973}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 3581280

約数和(自身を除く): 2188840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4973, 9946, 19892, 24865, 34811, 39784, 49730, 69622, 99460, 139244, 174055, 198920, 278488, 348110, 696220, 1392440]

約数ペア:

[(1, 1392440), (2, 696220), (4, 348110), (5, 278488), (7, 198920), (8, 174055), (10, 139244), (14, 99460), (20, 69622), (28, 49730), (35, 39784), (40, 34811), (56, 24865), (70, 19892), (140, 9946), (280, 4973)]