210658540

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{23993}}^1$

素因数の和:24441

約数の個数: 24

約数和(自身を含む): 443409120

約数和(自身を除く): 232750580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 23993, 47986, 95972, 119965, 239930, 479860, 10532927, 21065854, 42131708, 52664635, 105329270, 210658540]

約数ペア:

[(1, 210658540), (2, 105329270), (4, 52664635), (5, 42131708), (10, 21065854), (20, 10532927), (439, 479860), (878, 239930), (1756, 119965), (2195, 95972), (4390, 47986), (8780, 23993)]