199419780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474809}}^1$

素因数の和:474828

約数の個数: 48

約数和(自身を含む): 638144640

約数和(自身を除く): 438724860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 474809, 949618, 1424427, 1899236, 2374045, 2848854, 3323663, 4748090, 5697708, 6647326, 7122135, 9496180, 9970989, 13294652, 14244270, 16618315, 19941978, 28488540, 33236630, 39883956, 49854945, 66473260, 99709890, 199419780]

約数ペア:

[(1, 199419780), (2, 99709890), (3, 66473260), (4, 49854945), (5, 39883956), (6, 33236630), (7, 28488540), (10, 19941978), (12, 16618315), (14, 14244270), (15, 13294652), (20, 9970989), (21, 9496180), (28, 7122135), (30, 6647326), (35, 5697708), (42, 4748090), (60, 3323663), (70, 2848854), (84, 2374045), (105, 1899236), (140, 1424427), (210, 949618), (420, 474809)]