86315740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1553}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 207813312

約数和(自身を除く): 121497572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1553, 1588, 1985, 2779, 3106, 3970, 5558, 6212, 7765, 7940, 10871, 11116, 13895, 15530, 21742, 27790, 31060, 43484, 54355, 55580, 108710, 217420, 616541, 1233082, 2466164, 3082705, 4315787, 6165410, 8631574, 12330820, 17263148, 21578935, 43157870, 86315740]

約数ペア:

[(1, 86315740), (2, 43157870), (4, 21578935), (5, 17263148), (7, 12330820), (10, 8631574), (14, 6165410), (20, 4315787), (28, 3082705), (35, 2466164), (70, 1233082), (140, 616541), (397, 217420), (794, 108710), (1553, 55580), (1588, 54355), (1985, 43484), (2779, 31060), (3106, 27790), (3970, 21742), (5558, 15530), (6212, 13895), (7765, 11116), (7940, 10871)]