136347890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{278261}}^1$

素因数の和:278282

約数の個数: 24

約数和(自身を含む): 285496812

約数和(自身を除く): 149148922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 278261, 556522, 1391305, 1947827, 2782610, 3895654, 9739135, 13634789, 19478270, 27269578, 68173945, 136347890]

約数ペア:

[(1, 136347890), (2, 68173945), (5, 27269578), (7, 19478270), (10, 13634789), (14, 9739135), (35, 3895654), (49, 2782610), (70, 1947827), (98, 1391305), (245, 556522), (490, 278261)]