202607780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 432986736

約数和(自身を除く): 230378956

約数列:

[1, 2, 4, 5, 10, 20, 97, 181, 194, 362, 388, 485, 577, 724, 905, 970, 1154, 1810, 1940, 2308, 2885, 3620, 5770, 11540, 17557, 35114, 55969, 70228, 87785, 104437, 111938, 175570, 208874, 223876, 279845, 351140, 417748, 522185, 559690, 1044370, 1119380, 2088740, 10130389, 20260778, 40521556, 50651945, 101303890, 202607780]

約数ペア:

[(1, 202607780), (2, 101303890), (4, 50651945), (5, 40521556), (10, 20260778), (20, 10130389), (97, 2088740), (181, 1119380), (194, 1044370), (362, 559690), (388, 522185), (485, 417748), (577, 351140), (724, 279845), (905, 223876), (970, 208874), (1154, 175570), (1810, 111938), (1940, 104437), (2308, 87785), (2885, 70228), (3620, 55969), (5770, 35114), (11540, 17557)]