4009180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4091}}^1$

素因数の和:4114

約数の個数: 36

約数和(自身を含む): 9796248

約数和(自身を除く): 5787068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4091, 8182, 16364, 20455, 28637, 40910, 57274, 81820, 114548, 143185, 200459, 286370, 400918, 572740, 801836, 1002295, 2004590, 4009180]

約数ペア:

[(1, 4009180), (2, 2004590), (4, 1002295), (5, 801836), (7, 572740), (10, 400918), (14, 286370), (20, 200459), (28, 143185), (35, 114548), (49, 81820), (70, 57274), (98, 40910), (140, 28637), (196, 20455), (245, 16364), (490, 8182), (980, 4091)]