249706940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{254803}}^1$

素因数の和:254826

約数の個数: 36

約数和(自身を含む): 610000776

約数和(自身を除く): 360293836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 254803, 509606, 1019212, 1274015, 1783621, 2548030, 3567242, 5096060, 7134484, 8918105, 12485347, 17836210, 24970694, 35672420, 49941388, 62426735, 124853470, 249706940]

約数ペア:

[(1, 249706940), (2, 124853470), (4, 62426735), (5, 49941388), (7, 35672420), (10, 24970694), (14, 17836210), (20, 12485347), (28, 8918105), (35, 7134484), (49, 5096060), (70, 3567242), (98, 2548030), (140, 1783621), (196, 1274015), (245, 1019212), (490, 509606), (980, 254803)]