137334680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{490481}}^1$

素因数の和:490499

約数の個数: 32

約数和(自身を含む): 353147040

約数和(自身を除く): 215812360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 490481, 980962, 1961924, 2452405, 3433367, 3923848, 4904810, 6866734, 9809620, 13733468, 17166835, 19619240, 27466936, 34333670, 68667340, 137334680]

約数ペア:

[(1, 137334680), (2, 68667340), (4, 34333670), (5, 27466936), (7, 19619240), (8, 17166835), (10, 13733468), (14, 9809620), (20, 6866734), (28, 4904810), (35, 3923848), (40, 3433367), (56, 2452405), (70, 1961924), (140, 980962), (280, 490481)]