81133300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 184597560

約数和(自身を除く): 103464260

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 101, 116, 145, 202, 277, 290, 404, 505, 554, 580, 725, 1010, 1108, 1385, 1450, 2020, 2525, 2770, 2900, 2929, 5050, 5540, 5858, 6925, 8033, 10100, 11716, 13850, 14645, 16066, 27700, 27977, 29290, 32132, 40165, 55954, 58580, 73225, 80330, 111908, 139885, 146450, 160660, 200825, 279770, 292900, 401650, 559540, 699425, 803300, 811333, 1398850, 1622666, 2797700, 3245332, 4056665, 8113330, 16226660, 20283325, 40566650, 81133300]

約数ペア:

[(1, 81133300), (2, 40566650), (4, 20283325), (5, 16226660), (10, 8113330), (20, 4056665), (25, 3245332), (29, 2797700), (50, 1622666), (58, 1398850), (100, 811333), (101, 803300), (116, 699425), (145, 559540), (202, 401650), (277, 292900), (290, 279770), (404, 200825), (505, 160660), (554, 146450), (580, 139885), (725, 111908), (1010, 80330), (1108, 73225), (1385, 58580), (1450, 55954), (2020, 40165), (2525, 32132), (2770, 29290), (2900, 27977), (2929, 27700), (5050, 16066), (5540, 14645), (5858, 13850), (6925, 11716), (8033, 10100)]