1381102520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{104947}}^1$

素因数の和:105012

約数の個数: 64

約数和(自身を含む): 3627002880

約数和(自身を除く): 2245900360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 104947, 209894, 419788, 524735, 734629, 839576, 1049470, 1469258, 2098940, 2938516, 3673145, 4197880, 4932509, 5877032, 7346290, 9865018, 14692580, 19730036, 24662545, 29385160, 34527563, 39460072, 49325090, 69055126, 98650180, 138110252, 172637815, 197300360, 276220504, 345275630, 690551260, 1381102520]

約数ペア:

[(1, 1381102520), (2, 690551260), (4, 345275630), (5, 276220504), (7, 197300360), (8, 172637815), (10, 138110252), (14, 98650180), (20, 69055126), (28, 49325090), (35, 39460072), (40, 34527563), (47, 29385160), (56, 24662545), (70, 19730036), (94, 14692580), (140, 9865018), (188, 7346290), (235, 5877032), (280, 4932509), (329, 4197880), (376, 3673145), (470, 2938516), (658, 2098940), (940, 1469258), (1316, 1049470), (1645, 839576), (1880, 734629), (2632, 524735), (3290, 419788), (6580, 209894), (13160, 104947)]