138034720

素因数分解:

$2^5\times 5^1\times {\mathrm{911}}^1\times {\mathrm{947}}^1$

素因数の和:1873

約数の個数: 48

約数和(自身を含む): 326809728

約数和(自身を除く): 188775008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 911, 947, 1822, 1894, 3644, 3788, 4555, 4735, 7288, 7576, 9110, 9470, 14576, 15152, 18220, 18940, 29152, 30304, 36440, 37880, 72880, 75760, 145760, 151520, 862717, 1725434, 3450868, 4313585, 6901736, 8627170, 13803472, 17254340, 27606944, 34508680, 69017360, 138034720]

約数ペア:

[(1, 138034720), (2, 69017360), (4, 34508680), (5, 27606944), (8, 17254340), (10, 13803472), (16, 8627170), (20, 6901736), (32, 4313585), (40, 3450868), (80, 1725434), (160, 862717), (911, 151520), (947, 145760), (1822, 75760), (1894, 72880), (3644, 37880), (3788, 36440), (4555, 30304), (4735, 29152), (7288, 18940), (7576, 18220), (9110, 15152), (9470, 14576)]