385768740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{918497}}^1$

素因数の和:918516

約数の個数: 48

約数和(自身を含む): 1234461312

約数和(自身を除く): 848692572

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, 918497, 1836994, 2755491, 3673988, 4592485, 5510982, 6429479, 9184970, 11021964, 12858958, 13777455, 18369940, 19288437, 25717916, 27554910, 32147395, 38576874, 55109820, 64294790, 77153748, 96442185, 128589580, 192884370, 385768740]

約数ペア:

[(1, 385768740), (2, 192884370), (3, 128589580), (4, 96442185), (5, 77153748), (6, 64294790), (7, 55109820), (10, 38576874), (12, 32147395), (14, 27554910), (15, 25717916), (20, 19288437), (21, 18369940), (28, 13777455), (30, 12858958), (35, 11021964), (42, 9184970), (60, 6429479), (70, 5510982), (84, 4592485), (105, 3673988), (140, 2755491), (210, 1836994), (420, 918497)]