213611440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2131}}^1$

素因数の和:2330

約数の個数: 80

約数和(自身を含む): 571034880

約数和(自身を除く): 357423440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 560, 716, 895, 1253, 1432, 1790, 2131, 2506, 2864, 3580, 4262, 5012, 6265, 7160, 8524, 10024, 10655, 12530, 14320, 14917, 17048, 20048, 21310, 25060, 29834, 34096, 42620, 50120, 59668, 74585, 85240, 100240, 119336, 149170, 170480, 238672, 298340, 381449, 596680, 762898, 1193360, 1525796, 1907245, 2670143, 3051592, 3814490, 5340286, 6103184, 7628980, 10680572, 13350715, 15257960, 21361144, 26701430, 30515920, 42722288, 53402860, 106805720, 213611440]

約数ペア:

[(1, 213611440), (2, 106805720), (4, 53402860), (5, 42722288), (7, 30515920), (8, 26701430), (10, 21361144), (14, 15257960), (16, 13350715), (20, 10680572), (28, 7628980), (35, 6103184), (40, 5340286), (56, 3814490), (70, 3051592), (80, 2670143), (112, 1907245), (140, 1525796), (179, 1193360), (280, 762898), (358, 596680), (560, 381449), (716, 298340), (895, 238672), (1253, 170480), (1432, 149170), (1790, 119336), (2131, 100240), (2506, 85240), (2864, 74585), (3580, 59668), (4262, 50120), (5012, 42620), (6265, 34096), (7160, 29834), (8524, 25060), (10024, 21310), (10655, 20048), (12530, 17048), (14320, 14917)]