1978030740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4709597}}^1$

素因数の和:4709616

約数の個数: 48

約数和(自身を含む): 6329699712

約数和(自身を除く): 4351668972

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, 4709597, 9419194, 14128791, 18838388, 23547985, 28257582, 32967179, 47095970, 56515164, 65934358, 70643955, 94191940, 98901537, 131868716, 141287910, 164835895, 197803074, 282575820, 329671790, 395606148, 494507685, 659343580, 989015370, 1978030740]

約数ペア:

[(1, 1978030740), (2, 989015370), (3, 659343580), (4, 494507685), (5, 395606148), (6, 329671790), (7, 282575820), (10, 197803074), (12, 164835895), (14, 141287910), (15, 131868716), (20, 98901537), (21, 94191940), (28, 70643955), (30, 65934358), (35, 56515164), (42, 47095970), (60, 32967179), (70, 28257582), (84, 23547985), (105, 18838388), (140, 14128791), (210, 9419194), (420, 4709597)]