219912316100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1627}}^1\times {\mathrm{15187}}^1$

素因数の和:16917

約数の個数: 72

約数和(自身を含む): 482900029920

約数和(自身を除く): 262987713820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1627, 1780, 2225, 3254, 4450, 6508, 8135, 8900, 15187, 16270, 30374, 32540, 40675, 60748, 75935, 81350, 144803, 151870, 162700, 289606, 303740, 379675, 579212, 724015, 759350, 1351643, 1448030, 1518700, 2703286, 2896060, 3620075, 5406572, 6758215, 7240150, 13516430, 14480300, 24709249, 27032860, 33791075, 49418498, 67582150, 98836996, 123546245, 135164300, 247092490, 494184980, 617731225, 1235462450, 2199123161, 2470924900, 4398246322, 8796492644, 10995615805, 21991231610, 43982463220, 54978079025, 109956158050, 219912316100]

約数ペア:

[(1, 219912316100), (2, 109956158050), (4, 54978079025), (5, 43982463220), (10, 21991231610), (20, 10995615805), (25, 8796492644), (50, 4398246322), (89, 2470924900), (100, 2199123161), (178, 1235462450), (356, 617731225), (445, 494184980), (890, 247092490), (1627, 135164300), (1780, 123546245), (2225, 98836996), (3254, 67582150), (4450, 49418498), (6508, 33791075), (8135, 27032860), (8900, 24709249), (15187, 14480300), (16270, 13516430), (30374, 7240150), (32540, 6758215), (40675, 5406572), (60748, 3620075), (75935, 2896060), (81350, 2703286), (144803, 1518700), (151870, 1448030), (162700, 1351643), (289606, 759350), (303740, 724015), (379675, 579212)]