208304820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31277}}^1$

素因数の和:31329

約数の個数: 72

約数和(自身を含む): 648955944

約数和(自身を除く): 440651124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31277, 62554, 93831, 125108, 156385, 187662, 281493, 312770, 375324, 469155, 562986, 625540, 938310, 1125972, 1157249, 1407465, 1876620, 2314498, 2814930, 3471747, 4628996, 5629860, 5786245, 6943494, 10415241, 11572490, 13886988, 17358735, 20830482, 23144980, 34717470, 41660964, 52076205, 69434940, 104152410, 208304820]

約数ペア:

[(1, 208304820), (2, 104152410), (3, 69434940), (4, 52076205), (5, 41660964), (6, 34717470), (9, 23144980), (10, 20830482), (12, 17358735), (15, 13886988), (18, 11572490), (20, 10415241), (30, 6943494), (36, 5786245), (37, 5629860), (45, 4628996), (60, 3471747), (74, 2814930), (90, 2314498), (111, 1876620), (148, 1407465), (180, 1157249), (185, 1125972), (222, 938310), (333, 625540), (370, 562986), (444, 469155), (555, 375324), (666, 312770), (740, 281493), (1110, 187662), (1332, 156385), (1665, 125108), (2220, 93831), (3330, 62554), (6660, 31277)]