180866980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291907}}^1$

素因数の和:1291923

約数の個数: 24

約数和(自身を含む): 434081088

約数和(自身を除く): 253214108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291907, 2583814, 5167628, 6459535, 9043349, 12919070, 18086698, 25838140, 36173396, 45216745, 90433490, 180866980]

約数ペア:

[(1, 180866980), (2, 90433490), (4, 45216745), (5, 36173396), (7, 25838140), (10, 18086698), (14, 12919070), (20, 9043349), (28, 6459535), (35, 5167628), (70, 2583814), (140, 1291907)]