1279156670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4993}}^1$

素因数の和:5165

約数の個数: 64

約数和(自身を含む): 2679500736

約数和(自身を除く): 1400344066

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 137, 170, 187, 274, 374, 685, 935, 1370, 1507, 1870, 2329, 3014, 4658, 4993, 7535, 9986, 11645, 15070, 23290, 24965, 25619, 49930, 51238, 54923, 84881, 109846, 128095, 169762, 256190, 274615, 424405, 549230, 684041, 848810, 933691, 1368082, 1867382, 3420205, 4668455, 6840410, 7524451, 9336910, 11628697, 15048902, 23257394, 37622255, 58143485, 75244510, 116286970, 127915667, 255831334, 639578335, 1279156670]

約数ペア:

[(1, 1279156670), (2, 639578335), (5, 255831334), (10, 127915667), (11, 116286970), (17, 75244510), (22, 58143485), (34, 37622255), (55, 23257394), (85, 15048902), (110, 11628697), (137, 9336910), (170, 7524451), (187, 6840410), (274, 4668455), (374, 3420205), (685, 1867382), (935, 1368082), (1370, 933691), (1507, 848810), (1870, 684041), (2329, 549230), (3014, 424405), (4658, 274615), (4993, 256190), (7535, 169762), (9986, 128095), (11645, 109846), (15070, 84881), (23290, 54923), (24965, 51238), (25619, 49930)]