219094740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{405731}}^1$

素因数の和:405749

約数の個数: 48

約数和(自身を含む): 681629760

約数和(自身を除く): 462535020

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, 405731, 811462, 1217193, 1622924, 2028655, 2434386, 3651579, 4057310, 4868772, 6085965, 7303158, 8114620, 10954737, 12171930, 14606316, 18257895, 21909474, 24343860, 36515790, 43818948, 54773685, 73031580, 109547370, 219094740]

約数ペア:

[(1, 219094740), (2, 109547370), (3, 73031580), (4, 54773685), (5, 43818948), (6, 36515790), (9, 24343860), (10, 21909474), (12, 18257895), (15, 14606316), (18, 12171930), (20, 10954737), (27, 8114620), (30, 7303158), (36, 6085965), (45, 4868772), (54, 4057310), (60, 3651579), (90, 2434386), (108, 2028655), (135, 1622924), (180, 1217193), (270, 811462), (540, 405731)]