249121880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127103}}^1$

素因数の和:127128

約数の個数: 48

約数和(自身を含む): 652043520

約数和(自身を除く): 402921640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 127103, 254206, 508412, 635515, 889721, 1016824, 1271030, 1779442, 2542060, 3558884, 4448605, 5084120, 6228047, 7117768, 8897210, 12456094, 17794420, 24912188, 31140235, 35588840, 49824376, 62280470, 124560940, 249121880]

約数ペア:

[(1, 249121880), (2, 124560940), (4, 62280470), (5, 49824376), (7, 35588840), (8, 31140235), (10, 24912188), (14, 17794420), (20, 12456094), (28, 8897210), (35, 7117768), (40, 6228047), (49, 5084120), (56, 4448605), (70, 3558884), (98, 2542060), (140, 1779442), (196, 1271030), (245, 1016824), (280, 889721), (392, 635515), (490, 508412), (980, 254206), (1960, 127103)]