12788860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 30933504

約数和(自身を除く): 18144644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 547, 668, 835, 1094, 1169, 1670, 2188, 2338, 2735, 3340, 3829, 4676, 5470, 5845, 7658, 10940, 11690, 15316, 19145, 23380, 38290, 76580, 91349, 182698, 365396, 456745, 639443, 913490, 1278886, 1826980, 2557772, 3197215, 6394430, 12788860]

約数ペア:

[(1, 12788860), (2, 6394430), (4, 3197215), (5, 2557772), (7, 1826980), (10, 1278886), (14, 913490), (20, 639443), (28, 456745), (35, 365396), (70, 182698), (140, 91349), (167, 76580), (334, 38290), (547, 23380), (668, 19145), (835, 15316), (1094, 11690), (1169, 10940), (1670, 7658), (2188, 5845), (2338, 5470), (2735, 4676), (3340, 3829)]