202657940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{45439}}^1$

素因数の和:45671

約数の個数: 24

約数和(自身を含む): 427499520

約数和(自身を除く): 224841580

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 45439, 90878, 181756, 227195, 454390, 908780, 10132897, 20265794, 40531588, 50664485, 101328970, 202657940]

約数ペア:

[(1, 202657940), (2, 101328970), (4, 50664485), (5, 40531588), (10, 20265794), (20, 10132897), (223, 908780), (446, 454390), (892, 227195), (1115, 181756), (2230, 90878), (4460, 45439)]