82891340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2127

約数の個数: 72

約数和(自身を含む): 207531072

約数和(自身を除く): 124639732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2063, 2870, 4018, 4126, 5740, 8036, 8252, 10045, 10315, 14441, 20090, 20630, 28882, 40180, 41260, 57764, 72205, 84583, 101087, 144410, 169166, 202174, 288820, 338332, 404348, 422915, 505435, 592081, 845830, 1010870, 1184162, 1691660, 2021740, 2368324, 2960405, 4144567, 5920810, 8289134, 11841620, 16578268, 20722835, 41445670, 82891340]

約数ペア:

[(1, 82891340), (2, 41445670), (4, 20722835), (5, 16578268), (7, 11841620), (10, 8289134), (14, 5920810), (20, 4144567), (28, 2960405), (35, 2368324), (41, 2021740), (49, 1691660), (70, 1184162), (82, 1010870), (98, 845830), (140, 592081), (164, 505435), (196, 422915), (205, 404348), (245, 338332), (287, 288820), (410, 202174), (490, 169166), (574, 144410), (820, 101087), (980, 84583), (1148, 72205), (1435, 57764), (2009, 41260), (2063, 40180), (2870, 28882), (4018, 20630), (4126, 20090), (5740, 14441), (8036, 10315), (8252, 10045)]