206828680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3833}}^1$

素因数の和:3934

約数の個数: 64

約数和(自身を含む): 496886400

約数和(自身を除く): 290057720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 3833, 5396, 6745, 7666, 10792, 13490, 15332, 19165, 26980, 30664, 38330, 53960, 72827, 76660, 145654, 153320, 272143, 291308, 364135, 544286, 582616, 728270, 1088572, 1360715, 1456540, 2177144, 2721430, 2913080, 5170717, 5442860, 10341434, 10885720, 20682868, 25853585, 41365736, 51707170, 103414340, 206828680]

約数ペア:

[(1, 206828680), (2, 103414340), (4, 51707170), (5, 41365736), (8, 25853585), (10, 20682868), (19, 10885720), (20, 10341434), (38, 5442860), (40, 5170717), (71, 2913080), (76, 2721430), (95, 2177144), (142, 1456540), (152, 1360715), (190, 1088572), (284, 728270), (355, 582616), (380, 544286), (568, 364135), (710, 291308), (760, 272143), (1349, 153320), (1420, 145654), (2698, 76660), (2840, 72827), (3833, 53960), (5396, 38330), (6745, 30664), (7666, 26980), (10792, 19165), (13490, 15332)]