87177478940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{443561}}^1$

素因数の和:443918

約数の個数: 48

約数和(自身を含む): 189574850304

約数和(自身を除く): 102397371364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 620, 634, 1268, 1585, 3170, 6340, 9827, 19654, 39308, 49135, 98270, 196540, 443561, 887122, 1774244, 2217805, 4435610, 8871220, 13750391, 27500782, 55001564, 68751955, 137503910, 140608837, 275007820, 281217674, 562435348, 703044185, 1406088370, 2812176740, 4358873947, 8717747894, 17435495788, 21794369735, 43588739470, 87177478940]

約数ペア:

[(1, 87177478940), (2, 43588739470), (4, 21794369735), (5, 17435495788), (10, 8717747894), (20, 4358873947), (31, 2812176740), (62, 1406088370), (124, 703044185), (155, 562435348), (310, 281217674), (317, 275007820), (620, 140608837), (634, 137503910), (1268, 68751955), (1585, 55001564), (3170, 27500782), (6340, 13750391), (9827, 8871220), (19654, 4435610), (39308, 2217805), (49135, 1774244), (98270, 887122), (196540, 443561)]