340259720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{274403}}^1$

素因数の和:274445

約数の個数: 32

約数和(自身を含む): 790283520

約数和(自身を除く): 450023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 274403, 548806, 1097612, 1372015, 2195224, 2744030, 5488060, 8506493, 10976120, 17012986, 34025972, 42532465, 68051944, 85064930, 170129860, 340259720]

約数ペア:

[(1, 340259720), (2, 170129860), (4, 85064930), (5, 68051944), (8, 42532465), (10, 34025972), (20, 17012986), (31, 10976120), (40, 8506493), (62, 5488060), (124, 2744030), (155, 2195224), (248, 1372015), (310, 1097612), (620, 548806), (1240, 274403)]