450460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 959616

約数和(自身を除く): 509156

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 223, 404, 446, 505, 892, 1010, 1115, 2020, 2230, 4460, 22523, 45046, 90092, 112615, 225230, 450460]

約数ペア:

[(1, 450460), (2, 225230), (4, 112615), (5, 90092), (10, 45046), (20, 22523), (101, 4460), (202, 2230), (223, 2020), (404, 1115), (446, 1010), (505, 892)]