251006980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{3593}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 603792000

約数和(自身を除く): 352785020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 3493, 3593, 4990, 6986, 7186, 9980, 13972, 14372, 17465, 17965, 25151, 34930, 35930, 50302, 69860, 71860, 100604, 125755, 251510, 503020, 1792907, 3585814, 7171628, 8964535, 12550349, 17929070, 25100698, 35858140, 50201396, 62751745, 125503490, 251006980]

約数ペア:

[(1, 251006980), (2, 125503490), (4, 62751745), (5, 50201396), (7, 35858140), (10, 25100698), (14, 17929070), (20, 12550349), (28, 8964535), (35, 7171628), (70, 3585814), (140, 1792907), (499, 503020), (998, 251510), (1996, 125755), (2495, 100604), (3493, 71860), (3593, 69860), (4990, 50302), (6986, 35930), (7186, 34930), (9980, 25151), (13972, 17965), (14372, 17465)]