387085280

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{17659}}^1$

素因数の和:17811

約数の個数: 48

約数和(自身を含む): 921216240

約数和(自身を除く): 534130960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 17659, 21920, 35318, 70636, 88295, 141272, 176590, 282544, 353180, 565088, 706360, 1412720, 2419283, 2825440, 4838566, 9677132, 12096415, 19354264, 24192830, 38708528, 48385660, 77417056, 96771320, 193542640, 387085280]

約数ペア:

[(1, 387085280), (2, 193542640), (4, 96771320), (5, 77417056), (8, 48385660), (10, 38708528), (16, 24192830), (20, 19354264), (32, 12096415), (40, 9677132), (80, 4838566), (137, 2825440), (160, 2419283), (274, 1412720), (548, 706360), (685, 565088), (1096, 353180), (1370, 282544), (2192, 176590), (2740, 141272), (4384, 88295), (5480, 70636), (10960, 35318), (17659, 21920)]