82688980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 195197184

約数和(自身を除く): 112508204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 727, 940, 1034, 1210, 1454, 2068, 2420, 2585, 2908, 3635, 5170, 5687, 7270, 7997, 10340, 11374, 14540, 15994, 22748, 28435, 31988, 34169, 39985, 56870, 68338, 79970, 87967, 113740, 136676, 159940, 170845, 175934, 341690, 351868, 375859, 439835, 683380, 751718, 879670, 1503436, 1759340, 1879295, 3758590, 4134449, 7517180, 8268898, 16537796, 20672245, 41344490, 82688980]

約数ペア:

[(1, 82688980), (2, 41344490), (4, 20672245), (5, 16537796), (10, 8268898), (11, 7517180), (20, 4134449), (22, 3758590), (44, 1879295), (47, 1759340), (55, 1503436), (94, 879670), (110, 751718), (121, 683380), (188, 439835), (220, 375859), (235, 351868), (242, 341690), (470, 175934), (484, 170845), (517, 159940), (605, 136676), (727, 113740), (940, 87967), (1034, 79970), (1210, 68338), (1454, 56870), (2068, 39985), (2420, 34169), (2585, 31988), (2908, 28435), (3635, 22748), (5170, 15994), (5687, 14540), (7270, 11374), (7997, 10340)]