87243940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623171}}^1$

素因数の和:623187

約数の個数: 24

約数和(自身を含む): 209385792

約数和(自身を除く): 122141852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623171, 1246342, 2492684, 3115855, 4362197, 6231710, 8724394, 12463420, 17448788, 21810985, 43621970, 87243940]

約数ペア:

[(1, 87243940), (2, 43621970), (4, 21810985), (5, 17448788), (7, 12463420), (10, 8724394), (14, 6231710), (20, 4362197), (28, 3115855), (35, 2492684), (70, 1246342), (140, 623171)]