138588870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{659947}}^1$

素因数の和:659964

約数の個数: 32

約数和(自身を含む): 380130048

約数和(自身を除く): 241541178

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 659947, 1319894, 1979841, 3299735, 3959682, 4619629, 6599470, 9239258, 9899205, 13858887, 19798410, 23098145, 27717774, 46196290, 69294435, 138588870]

約数ペア:

[(1, 138588870), (2, 69294435), (3, 46196290), (5, 27717774), (6, 23098145), (7, 19798410), (10, 13858887), (14, 9899205), (15, 9239258), (21, 6599470), (30, 4619629), (35, 3959682), (42, 3299735), (70, 1979841), (105, 1319894), (210, 659947)]