209767860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{388459}}^1$

素因数の和:388477

約数の個数: 48

約数和(自身を含む): 652612800

約数和(自身を除く): 442844940

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, 388459, 776918, 1165377, 1553836, 1942295, 2330754, 3496131, 3884590, 4661508, 5826885, 6992262, 7769180, 10488393, 11653770, 13984524, 17480655, 20976786, 23307540, 34961310, 41953572, 52441965, 69922620, 104883930, 209767860]

約数ペア:

[(1, 209767860), (2, 104883930), (3, 69922620), (4, 52441965), (5, 41953572), (6, 34961310), (9, 23307540), (10, 20976786), (12, 17480655), (15, 13984524), (18, 11653770), (20, 10488393), (27, 7769180), (30, 6992262), (36, 5826885), (45, 4661508), (54, 3884590), (60, 3496131), (90, 2330754), (108, 1942295), (135, 1553836), (180, 1165377), (270, 776918), (540, 388459)]