4045195

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 6566400

約数和(自身を除く): 2521205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 79, 95, 133, 209, 245, 385, 395, 539, 553, 665, 869, 931, 1045, 1463, 1501, 2695, 2765, 3871, 4345, 4655, 6083, 7315, 7505, 10241, 10507, 16511, 19355, 30415, 42581, 51205, 52535, 73549, 82555, 115577, 212905, 367745, 577885, 809039, 4045195]

約数ペア:

[(1, 4045195), (5, 809039), (7, 577885), (11, 367745), (19, 212905), (35, 115577), (49, 82555), (55, 73549), (77, 52535), (79, 51205), (95, 42581), (133, 30415), (209, 19355), (245, 16511), (385, 10507), (395, 10241), (539, 7505), (553, 7315), (665, 6083), (869, 4655), (931, 4345), (1045, 3871), (1463, 2765), (1501, 2695)]