7278140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 16329600

約数和(自身を除く): 9051460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 179, 190, 214, 358, 380, 428, 535, 716, 895, 1070, 1790, 2033, 2140, 3401, 3580, 4066, 6802, 8132, 10165, 13604, 17005, 19153, 20330, 34010, 38306, 40660, 68020, 76612, 95765, 191530, 363907, 383060, 727814, 1455628, 1819535, 3639070, 7278140]

約数ペア:

[(1, 7278140), (2, 3639070), (4, 1819535), (5, 1455628), (10, 727814), (19, 383060), (20, 363907), (38, 191530), (76, 95765), (95, 76612), (107, 68020), (179, 40660), (190, 38306), (214, 34010), (358, 20330), (380, 19153), (428, 17005), (535, 13604), (716, 10165), (895, 8132), (1070, 6802), (1790, 4066), (2033, 3580), (2140, 3401)]