865706980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{3761}}^1$

素因数の和:4464

約数の個数: 48

約数和(自身を含む): 1928280816

約数和(自身を除く): 1062573836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 677, 1354, 2708, 3385, 3761, 6770, 7522, 11509, 13540, 15044, 18805, 23018, 37610, 46036, 57545, 63937, 75220, 115090, 127874, 230180, 255748, 319685, 639370, 1278740, 2546197, 5092394, 10184788, 12730985, 25461970, 43285349, 50923940, 86570698, 173141396, 216426745, 432853490, 865706980]

約数ペア:

[(1, 865706980), (2, 432853490), (4, 216426745), (5, 173141396), (10, 86570698), (17, 50923940), (20, 43285349), (34, 25461970), (68, 12730985), (85, 10184788), (170, 5092394), (340, 2546197), (677, 1278740), (1354, 639370), (2708, 319685), (3385, 255748), (3761, 230180), (6770, 127874), (7522, 115090), (11509, 75220), (13540, 63937), (15044, 57545), (18805, 46036), (23018, 37610)]