210818240

素因数分解:

$2^6\times 5^1\times {\mathrm{658807}}^1$

素因数の和:658824

約数の個数: 28

約数和(自身を含む): 502011696

約数和(自身を除く): 291193456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 658807, 1317614, 2635228, 3294035, 5270456, 6588070, 10540912, 13176140, 21081824, 26352280, 42163648, 52704560, 105409120, 210818240]

約数ペア:

[(1, 210818240), (2, 105409120), (4, 52704560), (5, 42163648), (8, 26352280), (10, 21081824), (16, 13176140), (20, 10540912), (32, 6588070), (40, 5270456), (64, 3294035), (80, 2635228), (160, 1317614), (320, 658807)]