85663480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1553}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 221538240

約数和(自身を除く): 135874760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1553, 1576, 1970, 2758, 3106, 3940, 5516, 6212, 6895, 7765, 7880, 10871, 11032, 12424, 13790, 15530, 21742, 27580, 31060, 43484, 54355, 55160, 62120, 86968, 108710, 217420, 305941, 434840, 611882, 1223764, 1529705, 2141587, 2447528, 3059410, 4283174, 6118820, 8566348, 10707935, 12237640, 17132696, 21415870, 42831740, 85663480]

約数ペア:

[(1, 85663480), (2, 42831740), (4, 21415870), (5, 17132696), (7, 12237640), (8, 10707935), (10, 8566348), (14, 6118820), (20, 4283174), (28, 3059410), (35, 2447528), (40, 2141587), (56, 1529705), (70, 1223764), (140, 611882), (197, 434840), (280, 305941), (394, 217420), (788, 108710), (985, 86968), (1379, 62120), (1553, 55160), (1576, 54355), (1970, 43484), (2758, 31060), (3106, 27580), (3940, 21742), (5516, 15530), (6212, 13790), (6895, 12424), (7765, 11032), (7880, 10871)]