166996940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 388874976

約数和(自身を除く): 221878036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 151, 220, 242, 302, 457, 484, 604, 605, 755, 914, 1210, 1510, 1661, 1828, 2285, 2420, 3020, 3322, 4570, 5027, 6644, 8305, 9140, 10054, 16610, 18271, 20108, 25135, 33220, 36542, 50270, 55297, 69007, 73084, 91355, 100540, 110594, 138014, 182710, 221188, 276028, 276485, 345035, 365420, 552970, 690070, 759077, 1105940, 1380140, 1518154, 3036308, 3795385, 7590770, 8349847, 15181540, 16699694, 33399388, 41749235, 83498470, 166996940]

約数ペア:

[(1, 166996940), (2, 83498470), (4, 41749235), (5, 33399388), (10, 16699694), (11, 15181540), (20, 8349847), (22, 7590770), (44, 3795385), (55, 3036308), (110, 1518154), (121, 1380140), (151, 1105940), (220, 759077), (242, 690070), (302, 552970), (457, 365420), (484, 345035), (604, 276485), (605, 276028), (755, 221188), (914, 182710), (1210, 138014), (1510, 110594), (1661, 100540), (1828, 91355), (2285, 73084), (2420, 69007), (3020, 55297), (3322, 50270), (4570, 36542), (5027, 33220), (6644, 25135), (8305, 20108), (9140, 18271), (10054, 16610)]