79383640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 204897600

約数和(自身を除く): 125513960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 509, 557, 1018, 1114, 2036, 2228, 2545, 2785, 3563, 3899, 4072, 4456, 5090, 5570, 7126, 7798, 10180, 11140, 14252, 15596, 17815, 19495, 20360, 22280, 28504, 31192, 35630, 38990, 71260, 77980, 142520, 155960, 283513, 567026, 1134052, 1417565, 1984591, 2268104, 2835130, 3969182, 5670260, 7938364, 9922955, 11340520, 15876728, 19845910, 39691820, 79383640]

約数ペア:

[(1, 79383640), (2, 39691820), (4, 19845910), (5, 15876728), (7, 11340520), (8, 9922955), (10, 7938364), (14, 5670260), (20, 3969182), (28, 2835130), (35, 2268104), (40, 1984591), (56, 1417565), (70, 1134052), (140, 567026), (280, 283513), (509, 155960), (557, 142520), (1018, 77980), (1114, 71260), (2036, 38990), (2228, 35630), (2545, 31192), (2785, 28504), (3563, 22280), (3899, 20360), (4072, 19495), (4456, 17815), (5090, 15596), (5570, 14252), (7126, 11140), (7798, 10180)]