284173820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2029813}}^1$

素因数の和:2029829

約数の個数: 24

約数和(自身を含む): 682017504

約数和(自身を除く): 397843684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2029813, 4059626, 8119252, 10149065, 14208691, 20298130, 28417382, 40596260, 56834764, 71043455, 142086910, 284173820]

約数ペア:

[(1, 284173820), (2, 142086910), (4, 71043455), (5, 56834764), (7, 40596260), (10, 28417382), (14, 20298130), (20, 14208691), (28, 10149065), (35, 8119252), (70, 4059626), (140, 2029813)]