989870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 2073600

約数和(自身を除く): 1083730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 179, 358, 395, 553, 790, 895, 1106, 1253, 1790, 2506, 2765, 5530, 6265, 12530, 14141, 28282, 70705, 98987, 141410, 197974, 494935, 989870]

約数ペア:

[(1, 989870), (2, 494935), (5, 197974), (7, 141410), (10, 98987), (14, 70705), (35, 28282), (70, 14141), (79, 12530), (158, 6265), (179, 5530), (358, 2765), (395, 2506), (553, 1790), (790, 1253), (895, 1106)]