279400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 714240

約数和(自身を除く): 434840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 127, 200, 220, 254, 275, 440, 508, 550, 635, 1016, 1100, 1270, 1397, 2200, 2540, 2794, 3175, 5080, 5588, 6350, 6985, 11176, 12700, 13970, 25400, 27940, 34925, 55880, 69850, 139700, 279400]

約数ペア:

[(1, 279400), (2, 139700), (4, 69850), (5, 55880), (8, 34925), (10, 27940), (11, 25400), (20, 13970), (22, 12700), (25, 11176), (40, 6985), (44, 6350), (50, 5588), (55, 5080), (88, 3175), (100, 2794), (110, 2540), (127, 2200), (200, 1397), (220, 1270), (254, 1100), (275, 1016), (440, 635), (508, 550)]