155758180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{189949}}^1$

素因数の和:189999

約数の個数: 24

約数和(自身を含む): 335071800

約数和(自身を除く): 179313620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 189949, 379898, 759796, 949745, 1899490, 3798980, 7787909, 15575818, 31151636, 38939545, 77879090, 155758180]

約数ペア:

[(1, 155758180), (2, 77879090), (4, 38939545), (5, 31151636), (10, 15575818), (20, 7787909), (41, 3798980), (82, 1899490), (164, 949745), (205, 759796), (410, 379898), (820, 189949)]