29971940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21107}}^1$

素因数の和:21187

約数の個数: 24

約数和(自身を含む): 63830592

約数和(自身を除く): 33858652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21107, 42214, 84428, 105535, 211070, 422140, 1498597, 2997194, 5994388, 7492985, 14985970, 29971940]

約数ペア:

[(1, 29971940), (2, 14985970), (4, 7492985), (5, 5994388), (10, 2997194), (20, 1498597), (71, 422140), (142, 211070), (284, 105535), (355, 84428), (710, 42214), (1420, 21107)]