223451390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{221239}}^1$

素因数の和:221347

約数の個数: 16

約数和(自身を含む): 406196640

約数和(自身を除く): 182745250

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 221239, 442478, 1106195, 2212390, 22345139, 44690278, 111725695, 223451390]

約数ペア:

[(1, 223451390), (2, 111725695), (5, 44690278), (10, 22345139), (101, 2212390), (202, 1106195), (505, 442478), (1010, 221239)]