3837820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 9354240

約数和(自身を除く): 5516420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 347, 395, 553, 694, 790, 1106, 1388, 1580, 1735, 2212, 2429, 2765, 3470, 4858, 5530, 6940, 9716, 11060, 12145, 24290, 27413, 48580, 54826, 109652, 137065, 191891, 274130, 383782, 548260, 767564, 959455, 1918910, 3837820]

約数ペア:

[(1, 3837820), (2, 1918910), (4, 959455), (5, 767564), (7, 548260), (10, 383782), (14, 274130), (20, 191891), (28, 137065), (35, 109652), (70, 54826), (79, 48580), (140, 27413), (158, 24290), (316, 12145), (347, 11060), (395, 9716), (553, 6940), (694, 5530), (790, 4858), (1106, 3470), (1388, 2765), (1580, 2429), (1735, 2212)]