209837640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1748647}}^1$

素因数の和:1748661

約数の個数: 32

約数和(自身を含む): 629513280

約数和(自身を除く): 419675640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1748647, 3497294, 5245941, 6994588, 8743235, 10491882, 13989176, 17486470, 20983764, 26229705, 34972940, 41967528, 52459410, 69945880, 104918820, 209837640]

約数ペア:

[(1, 209837640), (2, 104918820), (3, 69945880), (4, 52459410), (5, 41967528), (6, 34972940), (8, 26229705), (10, 20983764), (12, 17486470), (15, 13989176), (20, 10491882), (24, 8743235), (30, 6994588), (40, 5245941), (60, 3497294), (120, 1748647)]