42546980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{303907}}^1$

素因数の和:303923

約数の個数: 24

約数和(自身を含む): 102113088

約数和(自身を除く): 59566108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 303907, 607814, 1215628, 1519535, 2127349, 3039070, 4254698, 6078140, 8509396, 10636745, 21273490, 42546980]

約数ペア:

[(1, 42546980), (2, 21273490), (4, 10636745), (5, 8509396), (7, 6078140), (10, 4254698), (14, 3039070), (20, 2127349), (28, 1519535), (35, 1215628), (70, 607814), (140, 303907)]