219217860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{405959}}^1$

素因数の和:405977

約数の個数: 48

約数和(自身を含む): 682012800

約数和(自身を除く): 462794940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 405959, 811918, 1217877, 1623836, 2029795, 2435754, 3653631, 4059590, 4871508, 6089385, 7307262, 8119180, 10960893, 12178770, 14614524, 18268155, 21921786, 24357540, 36536310, 43843572, 54804465, 73072620, 109608930, 219217860]

約数ペア:

[(1, 219217860), (2, 109608930), (3, 73072620), (4, 54804465), (5, 43843572), (6, 36536310), (9, 24357540), (10, 21921786), (12, 18268155), (15, 14614524), (18, 12178770), (20, 10960893), (27, 8119180), (30, 7307262), (36, 6089385), (45, 4871508), (54, 4059590), (60, 3653631), (90, 2435754), (108, 2029795), (135, 1623836), (180, 1217877), (270, 811918), (540, 405959)]