208764900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{231961}}^1$

素因数の和:231981

約数の個数: 54

約数和(自身を含む): 654364802

約数和(自身を除く): 445599902

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 231961, 463922, 695883, 927844, 1159805, 1391766, 2087649, 2319610, 2783532, 3479415, 4175298, 4639220, 5799025, 6958830, 8350596, 10438245, 11598050, 13917660, 17397075, 20876490, 23196100, 34794150, 41752980, 52191225, 69588300, 104382450, 208764900]

約数ペア:

[(1, 208764900), (2, 104382450), (3, 69588300), (4, 52191225), (5, 41752980), (6, 34794150), (9, 23196100), (10, 20876490), (12, 17397075), (15, 13917660), (18, 11598050), (20, 10438245), (25, 8350596), (30, 6958830), (36, 5799025), (45, 4639220), (50, 4175298), (60, 3479415), (75, 2783532), (90, 2319610), (100, 2087649), (150, 1391766), (180, 1159805), (225, 927844), (300, 695883), (450, 463922), (900, 231961)]