248169940

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{8623}}^1$

素因数の和:10071

約数の個数: 24

約数和(自身を含む): 521579520

約数和(自身を除く): 273409580

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 8623, 14390, 17246, 28780, 34492, 43115, 86230, 172460, 12408497, 24816994, 49633988, 62042485, 124084970, 248169940]

約数ペア:

[(1, 248169940), (2, 124084970), (4, 62042485), (5, 49633988), (10, 24816994), (20, 12408497), (1439, 172460), (2878, 86230), (5756, 43115), (7195, 34492), (8623, 28780), (14390, 17246)]