28638500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 70447104

約数和(自身を除く): 41808604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 125, 127, 164, 205, 220, 250, 254, 275, 410, 451, 500, 508, 550, 635, 820, 902, 1025, 1100, 1270, 1375, 1397, 1804, 2050, 2255, 2540, 2750, 2794, 3175, 4100, 4510, 5125, 5207, 5500, 5588, 6350, 6985, 9020, 10250, 10414, 11275, 12700, 13970, 15875, 20500, 20828, 22550, 26035, 27940, 31750, 34925, 45100, 52070, 56375, 57277, 63500, 69850, 104140, 112750, 114554, 130175, 139700, 174625, 225500, 229108, 260350, 286385, 349250, 520700, 572770, 650875, 698500, 1145540, 1301750, 1431925, 2603500, 2863850, 5727700, 7159625, 14319250, 28638500]

約数ペア:

[(1, 28638500), (2, 14319250), (4, 7159625), (5, 5727700), (10, 2863850), (11, 2603500), (20, 1431925), (22, 1301750), (25, 1145540), (41, 698500), (44, 650875), (50, 572770), (55, 520700), (82, 349250), (100, 286385), (110, 260350), (125, 229108), (127, 225500), (164, 174625), (205, 139700), (220, 130175), (250, 114554), (254, 112750), (275, 104140), (410, 69850), (451, 63500), (500, 57277), (508, 56375), (550, 52070), (635, 45100), (820, 34925), (902, 31750), (1025, 27940), (1100, 26035), (1270, 22550), (1375, 20828), (1397, 20500), (1804, 15875), (2050, 13970), (2255, 12700), (2540, 11275), (2750, 10414), (2794, 10250), (3175, 9020), (4100, 6985), (4510, 6350), (5125, 5588), (5207, 5500)]