95189980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 203988960

約数和(自身を除く): 108798980

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 194, 278, 353, 388, 485, 556, 695, 706, 970, 1390, 1412, 1765, 1940, 2780, 3530, 7060, 13483, 26966, 34241, 49067, 53932, 67415, 68482, 98134, 134830, 136964, 171205, 196268, 245335, 269660, 342410, 490670, 684820, 981340, 4759499, 9518998, 19037996, 23797495, 47594990, 95189980]

約数ペア:

[(1, 95189980), (2, 47594990), (4, 23797495), (5, 19037996), (10, 9518998), (20, 4759499), (97, 981340), (139, 684820), (194, 490670), (278, 342410), (353, 269660), (388, 245335), (485, 196268), (556, 171205), (695, 136964), (706, 134830), (970, 98134), (1390, 68482), (1412, 67415), (1765, 53932), (1940, 49067), (2780, 34241), (3530, 26966), (7060, 13483)]