6636140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 16111872

約数和(自身を除く): 9475732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 443, 535, 749, 886, 1070, 1498, 1772, 2140, 2215, 2996, 3101, 3745, 4430, 6202, 7490, 8860, 12404, 14980, 15505, 31010, 47401, 62020, 94802, 189604, 237005, 331807, 474010, 663614, 948020, 1327228, 1659035, 3318070, 6636140]

約数ペア:

[(1, 6636140), (2, 3318070), (4, 1659035), (5, 1327228), (7, 948020), (10, 663614), (14, 474010), (20, 331807), (28, 237005), (35, 189604), (70, 94802), (107, 62020), (140, 47401), (214, 31010), (428, 15505), (443, 14980), (535, 12404), (749, 8860), (886, 7490), (1070, 6202), (1498, 4430), (1772, 3745), (2140, 3101), (2215, 2996)]