339934640

素因数分解:

$2^4\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{2549}}^1$

素因数の和:4229

約数の個数: 40

約数和(自身を含む): 791132400

約数和(自身を除く): 451197760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1667, 2549, 3334, 5098, 6668, 8335, 10196, 12745, 13336, 16670, 20392, 25490, 26672, 33340, 40784, 50980, 66680, 101960, 133360, 203920, 4249183, 8498366, 16996732, 21245915, 33993464, 42491830, 67986928, 84983660, 169967320, 339934640]

約数ペア:

[(1, 339934640), (2, 169967320), (4, 84983660), (5, 67986928), (8, 42491830), (10, 33993464), (16, 21245915), (20, 16996732), (40, 8498366), (80, 4249183), (1667, 203920), (2549, 133360), (3334, 101960), (5098, 66680), (6668, 50980), (8335, 40784), (10196, 33340), (12745, 26672), (13336, 25490), (16670, 20392)]