770438680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{12781}}^1$

素因数の和:12940

約数の個数: 64

約数和(自身を含む): 1905029280

約数和(自身を除く): 1134590600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1370, 1507, 2740, 3014, 5480, 6028, 7535, 12056, 12781, 15070, 25562, 30140, 51124, 60280, 63905, 102248, 127810, 140591, 255620, 281182, 511240, 562364, 702955, 1124728, 1405910, 1750997, 2811820, 3501994, 5623640, 7003988, 8754985, 14007976, 17509970, 19260967, 35019940, 38521934, 70039880, 77043868, 96304835, 154087736, 192609670, 385219340, 770438680]

約数ペア:

[(1, 770438680), (2, 385219340), (4, 192609670), (5, 154087736), (8, 96304835), (10, 77043868), (11, 70039880), (20, 38521934), (22, 35019940), (40, 19260967), (44, 17509970), (55, 14007976), (88, 8754985), (110, 7003988), (137, 5623640), (220, 3501994), (274, 2811820), (440, 1750997), (548, 1405910), (685, 1124728), (1096, 702955), (1370, 562364), (1507, 511240), (2740, 281182), (3014, 255620), (5480, 140591), (6028, 127810), (7535, 102248), (12056, 63905), (12781, 60280), (15070, 51124), (25562, 30140)]