208499720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36451}}^1$

素因数の和:36486

約数の個数: 64

約数和(自身を含む): 551154240

約数和(自身を除く): 342654520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 36451, 72902, 145804, 182255, 291608, 364510, 400961, 473863, 729020, 801922, 947726, 1458040, 1603844, 1895452, 2004805, 2369315, 3207688, 3790904, 4009610, 4738630, 5212493, 8019220, 9477260, 10424986, 16038440, 18954520, 20849972, 26062465, 41699944, 52124930, 104249860, 208499720]

約数ペア:

[(1, 208499720), (2, 104249860), (4, 52124930), (5, 41699944), (8, 26062465), (10, 20849972), (11, 18954520), (13, 16038440), (20, 10424986), (22, 9477260), (26, 8019220), (40, 5212493), (44, 4738630), (52, 4009610), (55, 3790904), (65, 3207688), (88, 2369315), (104, 2004805), (110, 1895452), (130, 1603844), (143, 1458040), (220, 947726), (260, 801922), (286, 729020), (440, 473863), (520, 400961), (572, 364510), (715, 291608), (1144, 182255), (1430, 145804), (2860, 72902), (5720, 36451)]