220121230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{449227}}^1$

素因数の和:449248

約数の個数: 24

約数和(自身を含む): 460907928

約数和(自身を除く): 240786698

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 449227, 898454, 2246135, 3144589, 4492270, 6289178, 15722945, 22012123, 31445890, 44024246, 110060615, 220121230]

約数ペア:

[(1, 220121230), (2, 110060615), (5, 44024246), (7, 31445890), (10, 22012123), (14, 15722945), (35, 6289178), (49, 4492270), (70, 3144589), (98, 2246135), (245, 898454), (490, 449227)]