320196940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2287121}}^1$

素因数の和:2287137

約数の個数: 24

約数和(自身を含む): 768472992

約数和(自身を除く): 448276052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2287121, 4574242, 9148484, 11435605, 16009847, 22871210, 32019694, 45742420, 64039388, 80049235, 160098470, 320196940]

約数ペア:

[(1, 320196940), (2, 160098470), (4, 80049235), (5, 64039388), (7, 45742420), (10, 32019694), (14, 22871210), (20, 16009847), (28, 11435605), (35, 9148484), (70, 4574242), (140, 2287121)]