1320348820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{105967}}^1$

素因数の和:106072

約数の個数: 48

約数和(自身を含む): 3204472320

約数和(自身を除く): 1884123500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 105967, 211934, 423868, 529835, 741769, 1059670, 1483538, 2119340, 2967076, 3708845, 7417690, 9431063, 14835380, 18862126, 37724252, 47155315, 66017441, 94310630, 132034882, 188621260, 264069764, 330087205, 660174410, 1320348820]

約数ペア:

[(1, 1320348820), (2, 660174410), (4, 330087205), (5, 264069764), (7, 188621260), (10, 132034882), (14, 94310630), (20, 66017441), (28, 47155315), (35, 37724252), (70, 18862126), (89, 14835380), (140, 9431063), (178, 7417690), (356, 3708845), (445, 2967076), (623, 2119340), (890, 1483538), (1246, 1059670), (1780, 741769), (2492, 529835), (3115, 423868), (6230, 211934), (12460, 105967)]