2912147980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20801057}}^1$

素因数の和:20801073

約数の個数: 24

約数和(自身を含む): 6989155488

約数和(自身を除く): 4077007508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20801057, 41602114, 83204228, 104005285, 145607399, 208010570, 291214798, 416021140, 582429596, 728036995, 1456073990, 2912147980]

約数ペア:

[(1, 2912147980), (2, 1456073990), (4, 728036995), (5, 582429596), (7, 416021140), (10, 291214798), (14, 208010570), (20, 145607399), (28, 104005285), (35, 83204228), (70, 41602114), (140, 20801057)]