28717185980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29303251}}^1$

素因数の和:29303274

約数の個数: 36

約数和(自身を含む): 70151985288

約数和(自身を除く): 41434799308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29303251, 58606502, 117213004, 146516255, 205122757, 293032510, 410245514, 586065020, 820491028, 1025613785, 1435859299, 2051227570, 2871718598, 4102455140, 5743437196, 7179296495, 14358592990, 28717185980]

約数ペア:

[(1, 28717185980), (2, 14358592990), (4, 7179296495), (5, 5743437196), (7, 4102455140), (10, 2871718598), (14, 2051227570), (20, 1435859299), (28, 1025613785), (35, 820491028), (49, 586065020), (70, 410245514), (98, 293032510), (140, 205122757), (196, 146516255), (245, 117213004), (490, 58606502), (980, 29303251)]