208918620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1160659}}^1$

素因数の和:1160674

約数の個数: 36

約数和(自身を含む): 633720360

約数和(自身を除く): 424801740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1160659, 2321318, 3481977, 4642636, 5803295, 6963954, 10445931, 11606590, 13927908, 17409885, 20891862, 23213180, 34819770, 41783724, 52229655, 69639540, 104459310, 208918620]

約数ペア:

[(1, 208918620), (2, 104459310), (3, 69639540), (4, 52229655), (5, 41783724), (6, 34819770), (9, 23213180), (10, 20891862), (12, 17409885), (15, 13927908), (18, 11606590), (20, 10445931), (30, 6963954), (36, 5803295), (45, 4642636), (60, 3481977), (90, 2321318), (180, 1160659)]