202447940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72823}}^1$

素因数の和:72971

約数の個数: 24

約数和(自身を含む): 428205120

約数和(自身を除く): 225757180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72823, 145646, 291292, 364115, 728230, 1456460, 10122397, 20244794, 40489588, 50611985, 101223970, 202447940]

約数ペア:

[(1, 202447940), (2, 101223970), (4, 50611985), (5, 40489588), (10, 20244794), (20, 10122397), (139, 1456460), (278, 728230), (556, 364115), (695, 291292), (1390, 145646), (2780, 72823)]