208066720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68443}}^1$

素因数の和:68477

約数の個数: 48

約数和(自身を含む): 517436640

約数和(自身を除く): 309369920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 68443, 136886, 273772, 342215, 547544, 684430, 1095088, 1300417, 1368860, 2190176, 2600834, 2737720, 5201668, 5475440, 6502085, 10403336, 10950880, 13004170, 20806672, 26008340, 41613344, 52016680, 104033360, 208066720]

約数ペア:

[(1, 208066720), (2, 104033360), (4, 52016680), (5, 41613344), (8, 26008340), (10, 20806672), (16, 13004170), (19, 10950880), (20, 10403336), (32, 6502085), (38, 5475440), (40, 5201668), (76, 2737720), (80, 2600834), (95, 2190176), (152, 1368860), (160, 1300417), (190, 1095088), (304, 684430), (380, 547544), (608, 342215), (760, 273772), (1520, 136886), (3040, 68443)]