256468500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{56993}}^1$

素因数の和:57018

約数の個数: 72

約数和(自身を含む): 809086824

約数和(自身を除く): 552618324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 56993, 113986, 170979, 227972, 284965, 341958, 512937, 569930, 683916, 854895, 1025874, 1139860, 1424825, 1709790, 2051748, 2564685, 2849650, 3419580, 4274475, 5129370, 5699300, 7124125, 8548950, 10258740, 12823425, 14248250, 17097900, 21372375, 25646850, 28496500, 42744750, 51293700, 64117125, 85489500, 128234250, 256468500]

約数ペア:

[(1, 256468500), (2, 128234250), (3, 85489500), (4, 64117125), (5, 51293700), (6, 42744750), (9, 28496500), (10, 25646850), (12, 21372375), (15, 17097900), (18, 14248250), (20, 12823425), (25, 10258740), (30, 8548950), (36, 7124125), (45, 5699300), (50, 5129370), (60, 4274475), (75, 3419580), (90, 2849650), (100, 2564685), (125, 2051748), (150, 1709790), (180, 1424825), (225, 1139860), (250, 1025874), (300, 854895), (375, 683916), (450, 569930), (500, 512937), (750, 341958), (900, 284965), (1125, 227972), (1500, 170979), (2250, 113986), (4500, 56993)]