408693140

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{14797}}^1$

素因数の和:16187

約数の個数: 24

約数和(自身を含む): 858935112

約数和(自身を除く): 450241972

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6905, 13810, 14797, 27620, 29594, 59188, 73985, 147970, 295940, 20434657, 40869314, 81738628, 102173285, 204346570, 408693140]

約数ペア:

[(1, 408693140), (2, 204346570), (4, 102173285), (5, 81738628), (10, 40869314), (20, 20434657), (1381, 295940), (2762, 147970), (5524, 73985), (6905, 59188), (13810, 29594), (14797, 27620)]