421845790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{31271}}^1$

素因数の和:31368

約数の個数: 32

約数和(自身を含む): 810570240

約数和(自身を除く): 388724450

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 31271, 62542, 156355, 312710, 594149, 1188298, 2220241, 2970745, 4440482, 5941490, 11101205, 22202410, 42184579, 84369158, 210922895, 421845790]

約数ペア:

[(1, 421845790), (2, 210922895), (5, 84369158), (10, 42184579), (19, 22202410), (38, 11101205), (71, 5941490), (95, 4440482), (142, 2970745), (190, 2220241), (355, 1188298), (710, 594149), (1349, 312710), (2698, 156355), (6745, 62542), (13490, 31271)]