825508740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1965497}}^1$

素因数の和:1965516

約数の個数: 48

約数和(自身を含む): 2641629312

約数和(自身を除く): 1816120572

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, 1965497, 3930994, 5896491, 7861988, 9827485, 11792982, 13758479, 19654970, 23585964, 27516958, 29482455, 39309940, 41275437, 55033916, 58964910, 68792395, 82550874, 117929820, 137584790, 165101748, 206377185, 275169580, 412754370, 825508740]

約数ペア:

[(1, 825508740), (2, 412754370), (3, 275169580), (4, 206377185), (5, 165101748), (6, 137584790), (7, 117929820), (10, 82550874), (12, 68792395), (14, 58964910), (15, 55033916), (20, 41275437), (21, 39309940), (28, 29482455), (30, 27516958), (35, 23585964), (42, 19654970), (60, 13758479), (70, 11792982), (84, 9827485), (105, 7861988), (140, 5896491), (210, 3930994), (420, 1965497)]