4998140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 12633600

約数和(自身を除く): 7635460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1879, 2660, 3758, 7516, 9395, 13153, 18790, 26306, 35701, 37580, 52612, 65765, 71402, 131530, 142804, 178505, 249907, 263060, 357010, 499814, 714020, 999628, 1249535, 2499070, 4998140]

約数ペア:

[(1, 4998140), (2, 2499070), (4, 1249535), (5, 999628), (7, 714020), (10, 499814), (14, 357010), (19, 263060), (20, 249907), (28, 178505), (35, 142804), (38, 131530), (70, 71402), (76, 65765), (95, 52612), (133, 37580), (140, 35701), (190, 26306), (266, 18790), (380, 13153), (532, 9395), (665, 7516), (1330, 3758), (1879, 2660)]