196820920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{21487}}^1$

素因数の和:21727

約数の個数: 32

約数和(自身を含む): 444801600

約数和(自身を除く): 247980680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 21487, 42974, 85948, 107435, 171896, 214870, 429740, 859480, 4920523, 9841046, 19682092, 24602615, 39364184, 49205230, 98410460, 196820920]

約数ペア:

[(1, 196820920), (2, 98410460), (4, 49205230), (5, 39364184), (8, 24602615), (10, 19682092), (20, 9841046), (40, 4920523), (229, 859480), (458, 429740), (916, 214870), (1145, 171896), (1832, 107435), (2290, 85948), (4580, 42974), (9160, 21487)]