142108820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{145009}}^1$

素因数の和:145032

約数の個数: 36

約数和(自身を含む): 347153940

約数和(自身を除く): 205045120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 145009, 290018, 580036, 725045, 1015063, 1450090, 2030126, 2900180, 4060252, 5075315, 7105441, 10150630, 14210882, 20301260, 28421764, 35527205, 71054410, 142108820]

約数ペア:

[(1, 142108820), (2, 71054410), (4, 35527205), (5, 28421764), (7, 20301260), (10, 14210882), (14, 10150630), (20, 7105441), (28, 5075315), (35, 4060252), (49, 2900180), (70, 2030126), (98, 1450090), (140, 1015063), (196, 725045), (245, 580036), (490, 290018), (980, 145009)]