28367080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 76272840

約数和(自身を除く): 47905760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 353, 392, 410, 490, 574, 706, 820, 980, 1148, 1412, 1435, 1640, 1765, 1960, 2009, 2296, 2471, 2824, 2870, 3530, 4018, 4942, 5740, 7060, 8036, 9884, 10045, 11480, 12355, 14120, 14473, 16072, 17297, 19768, 20090, 24710, 28946, 34594, 40180, 49420, 57892, 69188, 72365, 80360, 86485, 98840, 101311, 115784, 138376, 144730, 172970, 202622, 289460, 345940, 405244, 506555, 578920, 691880, 709177, 810488, 1013110, 1418354, 2026220, 2836708, 3545885, 4052440, 5673416, 7091770, 14183540, 28367080]

約数ペア:

[(1, 28367080), (2, 14183540), (4, 7091770), (5, 5673416), (7, 4052440), (8, 3545885), (10, 2836708), (14, 2026220), (20, 1418354), (28, 1013110), (35, 810488), (40, 709177), (41, 691880), (49, 578920), (56, 506555), (70, 405244), (82, 345940), (98, 289460), (140, 202622), (164, 172970), (196, 144730), (205, 138376), (245, 115784), (280, 101311), (287, 98840), (328, 86485), (353, 80360), (392, 72365), (410, 69188), (490, 57892), (574, 49420), (706, 40180), (820, 34594), (980, 28946), (1148, 24710), (1412, 20090), (1435, 19768), (1640, 17297), (1765, 16072), (1960, 14473), (2009, 14120), (2296, 12355), (2471, 11480), (2824, 10045), (2870, 9884), (3530, 8036), (4018, 7060), (4942, 5740)]