1388402220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23140037}}^1$

素因数の和:23140049

約数の個数: 24

約数和(自身を含む): 3887526384

約数和(自身を除く): 2499124164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 23140037, 46280074, 69420111, 92560148, 115700185, 138840222, 231400370, 277680444, 347100555, 462800740, 694201110, 1388402220]

約数ペア:

[(1, 1388402220), (2, 694201110), (3, 462800740), (4, 347100555), (5, 277680444), (6, 231400370), (10, 138840222), (12, 115700185), (15, 92560148), (20, 69420111), (30, 46280074), (60, 23140037)]