201232420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1223}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 446221440

約数和(自身を除く): 244989020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 433, 866, 1223, 1732, 2165, 2446, 4330, 4892, 6115, 8227, 8660, 12230, 16454, 23237, 24460, 32908, 41135, 46474, 82270, 92948, 116185, 164540, 232370, 464740, 529559, 1059118, 2118236, 2647795, 5295590, 10061621, 10591180, 20123242, 40246484, 50308105, 100616210, 201232420]

約数ペア:

[(1, 201232420), (2, 100616210), (4, 50308105), (5, 40246484), (10, 20123242), (19, 10591180), (20, 10061621), (38, 5295590), (76, 2647795), (95, 2118236), (190, 1059118), (380, 529559), (433, 464740), (866, 232370), (1223, 164540), (1732, 116185), (2165, 92948), (2446, 82270), (4330, 46474), (4892, 41135), (6115, 32908), (8227, 24460), (8660, 23237), (12230, 16454)]