78228640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69847}}^1$

素因数の和:69869

約数の個数: 48

約数和(自身を含む): 211220352

約数和(自身を除く): 132991712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69847, 139694, 279388, 349235, 488929, 558776, 698470, 977858, 1117552, 1396940, 1955716, 2235104, 2444645, 2793880, 3911432, 4889290, 5587760, 7822864, 9778580, 11175520, 15645728, 19557160, 39114320, 78228640]

約数ペア:

[(1, 78228640), (2, 39114320), (4, 19557160), (5, 15645728), (7, 11175520), (8, 9778580), (10, 7822864), (14, 5587760), (16, 4889290), (20, 3911432), (28, 2793880), (32, 2444645), (35, 2235104), (40, 1955716), (56, 1396940), (70, 1117552), (80, 977858), (112, 698470), (140, 558776), (160, 488929), (224, 349235), (280, 279388), (560, 139694), (1120, 69847)]