2661569260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{971}}^1\times {\mathrm{2797}}^1$

素因数の和:3791

約数の個数: 72

約数和(自身を含む): 6510856464

約数和(自身を除く): 3849287204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 971, 980, 1942, 2797, 3884, 4855, 5594, 6797, 9710, 11188, 13594, 13985, 19420, 19579, 27188, 27970, 33985, 39158, 47579, 55940, 67970, 78316, 95158, 97895, 135940, 137053, 190316, 195790, 237895, 274106, 391580, 475790, 548212, 685265, 951580, 1370530, 2715887, 2741060, 5431774, 10863548, 13579435, 19011209, 27158870, 38022418, 54317740, 76044836, 95056045, 133078463, 190112090, 266156926, 380224180, 532313852, 665392315, 1330784630, 2661569260]

約数ペア:

[(1, 2661569260), (2, 1330784630), (4, 665392315), (5, 532313852), (7, 380224180), (10, 266156926), (14, 190112090), (20, 133078463), (28, 95056045), (35, 76044836), (49, 54317740), (70, 38022418), (98, 27158870), (140, 19011209), (196, 13579435), (245, 10863548), (490, 5431774), (971, 2741060), (980, 2715887), (1942, 1370530), (2797, 951580), (3884, 685265), (4855, 548212), (5594, 475790), (6797, 391580), (9710, 274106), (11188, 237895), (13594, 195790), (13985, 190316), (19420, 137053), (19579, 135940), (27188, 97895), (27970, 95158), (33985, 78316), (39158, 67970), (47579, 55940)]