131320840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2711}}^1$

素因数の和:2902

約数の個数: 64

約数和(自身を含む): 339759360

約数和(自身を除く): 208438520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 2711, 3460, 4844, 5422, 6055, 6920, 9688, 10844, 12110, 13555, 18977, 21688, 24220, 27110, 37954, 48440, 54220, 75908, 94885, 108440, 151816, 189770, 379540, 469003, 759080, 938006, 1876012, 2345015, 3283021, 3752024, 4690030, 6566042, 9380060, 13132084, 16415105, 18760120, 26264168, 32830210, 65660420, 131320840]

約数ペア:

[(1, 131320840), (2, 65660420), (4, 32830210), (5, 26264168), (7, 18760120), (8, 16415105), (10, 13132084), (14, 9380060), (20, 6566042), (28, 4690030), (35, 3752024), (40, 3283021), (56, 2345015), (70, 1876012), (140, 938006), (173, 759080), (280, 469003), (346, 379540), (692, 189770), (865, 151816), (1211, 108440), (1384, 94885), (1730, 75908), (2422, 54220), (2711, 48440), (3460, 37954), (4844, 27110), (5422, 24220), (6055, 21688), (6920, 18977), (9688, 13555), (10844, 12110)]