84638500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{1553}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 186666480

約数和(自身を除く): 102027980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 436, 500, 545, 1090, 1553, 2180, 2725, 3106, 5450, 6212, 7765, 10900, 13625, 15530, 27250, 31060, 38825, 54500, 77650, 155300, 169277, 194125, 338554, 388250, 677108, 776500, 846385, 1692770, 3385540, 4231925, 8463850, 16927700, 21159625, 42319250, 84638500]

約数ペア:

[(1, 84638500), (2, 42319250), (4, 21159625), (5, 16927700), (10, 8463850), (20, 4231925), (25, 3385540), (50, 1692770), (100, 846385), (109, 776500), (125, 677108), (218, 388250), (250, 338554), (436, 194125), (500, 169277), (545, 155300), (1090, 77650), (1553, 54500), (2180, 38825), (2725, 31060), (3106, 27250), (5450, 15530), (6212, 13625), (7765, 10900)]