321738380

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{7549}}^1$

素因数の和:9689

約数の個数: 24

約数和(自身を含む): 676057200

約数和(自身を除く): 354318820

約数列:

[1, 2, 4, 5, 10, 20, 2131, 4262, 7549, 8524, 10655, 15098, 21310, 30196, 37745, 42620, 75490, 150980, 16086919, 32173838, 64347676, 80434595, 160869190, 321738380]

約数ペア:

[(1, 321738380), (2, 160869190), (4, 80434595), (5, 64347676), (10, 32173838), (20, 16086919), (2131, 150980), (4262, 75490), (7549, 42620), (8524, 37745), (10655, 30196), (15098, 21310)]