17616620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5510

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 26509588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5471, 10942, 21884, 27355, 38297, 54710, 76594, 109420, 125833, 153188, 191485, 251666, 382970, 503332, 629165, 765940, 880831, 1258330, 1761662, 2516660, 3523324, 4404155, 8808310, 17616620]

約数ペア:

[(1, 17616620), (2, 8808310), (4, 4404155), (5, 3523324), (7, 2516660), (10, 1761662), (14, 1258330), (20, 880831), (23, 765940), (28, 629165), (35, 503332), (46, 382970), (70, 251666), (92, 191485), (115, 153188), (140, 125833), (161, 109420), (230, 76594), (322, 54710), (460, 38297), (644, 27355), (805, 21884), (1610, 10942), (3220, 5471)]