2017806980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{50929}}^1$

素因数の和:51228

約数の個数: 48

約数和(自身を含む): 4859944320

約数和(自身を除く): 2842137340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3962, 5660, 7924, 9905, 19810, 39620, 50929, 101858, 203716, 254645, 356503, 509290, 713006, 1018580, 1426012, 1782515, 3565030, 7130060, 14412907, 28825814, 57651628, 72064535, 100890349, 144129070, 201780698, 288258140, 403561396, 504451745, 1008903490, 2017806980]

約数ペア:

[(1, 2017806980), (2, 1008903490), (4, 504451745), (5, 403561396), (7, 288258140), (10, 201780698), (14, 144129070), (20, 100890349), (28, 72064535), (35, 57651628), (70, 28825814), (140, 14412907), (283, 7130060), (566, 3565030), (1132, 1782515), (1415, 1426012), (1981, 1018580), (2830, 713006), (3962, 509290), (5660, 356503), (7924, 254645), (9905, 203716), (19810, 101858), (39620, 50929)]