339920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{607}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 904704

約数和(自身を除く): 564784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 607, 1214, 2428, 3035, 4249, 4856, 6070, 8498, 9712, 12140, 16996, 21245, 24280, 33992, 42490, 48560, 67984, 84980, 169960, 339920]

約数ペア:

[(1, 339920), (2, 169960), (4, 84980), (5, 67984), (7, 48560), (8, 42490), (10, 33992), (14, 24280), (16, 21245), (20, 16996), (28, 12140), (35, 9712), (40, 8498), (56, 6070), (70, 4856), (80, 4249), (112, 3035), (140, 2428), (280, 1214), (560, 607)]