404179940

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{44221}}^1$

素因数の和:44687

約数の個数: 24

約数和(自身を含む): 850654392

約数和(自身を除く): 446474452

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 44221, 88442, 176884, 221105, 442210, 884420, 20208997, 40417994, 80835988, 101044985, 202089970, 404179940]

約数ペア:

[(1, 404179940), (2, 202089970), (4, 101044985), (5, 80835988), (10, 40417994), (20, 20208997), (457, 884420), (914, 442210), (1828, 221105), (2285, 176884), (4570, 88442), (9140, 44221)]