256272280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{34261}}^1$

素因数の和:34300

約数の個数: 64

約数和(自身を含む): 666053280

約数和(自身を除く): 409781000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 34261, 68522, 137044, 171305, 274088, 342610, 376871, 582437, 685220, 753742, 1164874, 1370440, 1507484, 1884355, 2329748, 2912185, 3014968, 3768710, 4659496, 5824370, 6406807, 7537420, 11648740, 12813614, 15074840, 23297480, 25627228, 32034035, 51254456, 64068070, 128136140, 256272280]

約数ペア:

[(1, 256272280), (2, 128136140), (4, 64068070), (5, 51254456), (8, 32034035), (10, 25627228), (11, 23297480), (17, 15074840), (20, 12813614), (22, 11648740), (34, 7537420), (40, 6406807), (44, 5824370), (55, 4659496), (68, 3768710), (85, 3014968), (88, 2912185), (110, 2329748), (136, 1884355), (170, 1507484), (187, 1370440), (220, 1164874), (340, 753742), (374, 685220), (440, 582437), (680, 376871), (748, 342610), (935, 274088), (1496, 171305), (1870, 137044), (3740, 68522), (7480, 34261)]