2008889260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{292841}}^1$

素因数の和:292871

約数の個数: 48

約数和(自身を含む): 4919745600

約数和(自身を除く): 2910856340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 292841, 585682, 1171364, 1464205, 2049887, 2928410, 4099774, 5856820, 8199548, 10249435, 14349209, 20498870, 28698418, 40997740, 57396836, 71746045, 100444463, 143492090, 200888926, 286984180, 401777852, 502222315, 1004444630, 2008889260]

約数ペア:

[(1, 2008889260), (2, 1004444630), (4, 502222315), (5, 401777852), (7, 286984180), (10, 200888926), (14, 143492090), (20, 100444463), (28, 71746045), (35, 57396836), (49, 40997740), (70, 28698418), (98, 20498870), (140, 14349209), (196, 10249435), (245, 8199548), (343, 5856820), (490, 4099774), (686, 2928410), (980, 2049887), (1372, 1464205), (1715, 1171364), (3430, 585682), (6860, 292841)]