711661180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1279}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 1532805120

約数和(自身を除く): 821143940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 647, 860, 1279, 1294, 2558, 2588, 3235, 5116, 6395, 6470, 12790, 12940, 25580, 27821, 54997, 55642, 109994, 111284, 139105, 219988, 274985, 278210, 549970, 556420, 827513, 1099940, 1655026, 3310052, 4137565, 8275130, 16550260, 35583059, 71166118, 142332236, 177915295, 355830590, 711661180]

約数ペア:

[(1, 711661180), (2, 355830590), (4, 177915295), (5, 142332236), (10, 71166118), (20, 35583059), (43, 16550260), (86, 8275130), (172, 4137565), (215, 3310052), (430, 1655026), (647, 1099940), (860, 827513), (1279, 556420), (1294, 549970), (2558, 278210), (2588, 274985), (3235, 219988), (5116, 139105), (6395, 111284), (6470, 109994), (12790, 55642), (12940, 54997), (25580, 27821)]