394431940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2817371}}^1$

素因数の和:2817387

約数の個数: 24

約数和(自身を含む): 946636992

約数和(自身を除く): 552205052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2817371, 5634742, 11269484, 14086855, 19721597, 28173710, 39443194, 56347420, 78886388, 98607985, 197215970, 394431940]

約数ペア:

[(1, 394431940), (2, 197215970), (4, 98607985), (5, 78886388), (7, 56347420), (10, 39443194), (14, 28173710), (20, 19721597), (28, 14086855), (35, 11269484), (70, 5634742), (140, 2817371)]