30186940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30803}}^1$

素因数の和:30826

約数の個数: 36

約数和(自身を含む): 73744776

約数和(自身を除く): 43557836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 30803, 61606, 123212, 154015, 215621, 308030, 431242, 616060, 862484, 1078105, 1509347, 2156210, 3018694, 4312420, 6037388, 7546735, 15093470, 30186940]

約数ペア:

[(1, 30186940), (2, 15093470), (4, 7546735), (5, 6037388), (7, 4312420), (10, 3018694), (14, 2156210), (20, 1509347), (28, 1078105), (35, 862484), (49, 616060), (70, 431242), (98, 308030), (140, 215621), (196, 154015), (245, 123212), (490, 61606), (980, 30803)]