1227380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{797}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 3217536

約数和(自身を除く): 1990156

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 797, 1540, 1594, 3188, 3985, 5579, 7970, 8767, 11158, 15940, 17534, 22316, 27895, 35068, 43835, 55790, 61369, 87670, 111580, 122738, 175340, 245476, 306845, 613690, 1227380]

約数ペア:

[(1, 1227380), (2, 613690), (4, 306845), (5, 245476), (7, 175340), (10, 122738), (11, 111580), (14, 87670), (20, 61369), (22, 55790), (28, 43835), (35, 35068), (44, 27895), (55, 22316), (70, 17534), (77, 15940), (110, 11158), (140, 8767), (154, 7970), (220, 5579), (308, 3985), (385, 3188), (770, 1594), (797, 1540)]