343840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{307}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 931392

約数和(自身を除く): 587552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 307, 560, 614, 1120, 1228, 1535, 2149, 2456, 3070, 4298, 4912, 6140, 8596, 9824, 10745, 12280, 17192, 21490, 24560, 34384, 42980, 49120, 68768, 85960, 171920, 343840]

約数ペア:

[(1, 343840), (2, 171920), (4, 85960), (5, 68768), (7, 49120), (8, 42980), (10, 34384), (14, 24560), (16, 21490), (20, 17192), (28, 12280), (32, 10745), (35, 9824), (40, 8596), (56, 6140), (70, 4912), (80, 4298), (112, 3070), (140, 2456), (160, 2149), (224, 1535), (280, 1228), (307, 1120), (560, 614)]