42777980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43651}}^1$

素因数の和:43674

約数の個数: 36

約数和(自身を含む): 104502888

約数和(自身を除く): 61724908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 43651, 87302, 174604, 218255, 305557, 436510, 611114, 873020, 1222228, 1527785, 2138899, 3055570, 4277798, 6111140, 8555596, 10694495, 21388990, 42777980]

約数ペア:

[(1, 42777980), (2, 21388990), (4, 10694495), (5, 8555596), (7, 6111140), (10, 4277798), (14, 3055570), (20, 2138899), (28, 1527785), (35, 1222228), (49, 873020), (70, 611114), (98, 436510), (140, 305557), (196, 218255), (245, 174604), (490, 87302), (980, 43651)]