201999890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3943}}^1$

素因数の和:4106

約数の個数: 32

約数和(自身を含む): 374837760

約数和(自身を除く): 172837870

約数列:

[1, 2, 5, 10, 47, 94, 109, 218, 235, 470, 545, 1090, 3943, 5123, 7886, 10246, 19715, 25615, 39430, 51230, 185321, 370642, 429787, 859574, 926605, 1853210, 2148935, 4297870, 20199989, 40399978, 100999945, 201999890]

約数ペア:

[(1, 201999890), (2, 100999945), (5, 40399978), (10, 20199989), (47, 4297870), (94, 2148935), (109, 1853210), (218, 926605), (235, 859574), (470, 429787), (545, 370642), (1090, 185321), (3943, 51230), (5123, 39430), (7886, 25615), (10246, 19715)]