1177820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1725220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 179, 188, 235, 329, 358, 470, 658, 716, 895, 940, 1253, 1316, 1645, 1790, 2506, 3290, 3580, 5012, 6265, 6580, 8413, 12530, 16826, 25060, 33652, 42065, 58891, 84130, 117782, 168260, 235564, 294455, 588910, 1177820]

約数ペア:

[(1, 1177820), (2, 588910), (4, 294455), (5, 235564), (7, 168260), (10, 117782), (14, 84130), (20, 58891), (28, 42065), (35, 33652), (47, 25060), (70, 16826), (94, 12530), (140, 8413), (179, 6580), (188, 6265), (235, 5012), (329, 3580), (358, 3290), (470, 2506), (658, 1790), (716, 1645), (895, 1316), (940, 1253)]