415940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2971}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 998592

約数和(自身を除く): 582652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2971, 5942, 11884, 14855, 20797, 29710, 41594, 59420, 83188, 103985, 207970, 415940]

約数ペア:

[(1, 415940), (2, 207970), (4, 103985), (5, 83188), (7, 59420), (10, 41594), (14, 29710), (20, 20797), (28, 14855), (35, 11884), (70, 5942), (140, 2971)]