169389880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8191}}^1$

素因数の和:8260

約数の個数: 64

約数和(自身を含む): 424673280

約数和(自身を除く): 255283400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 8191, 10340, 16382, 20680, 32764, 40955, 65528, 81910, 90101, 163820, 180202, 327640, 360404, 384977, 450505, 720808, 769954, 901010, 1539908, 1802020, 1924885, 3079816, 3604040, 3849770, 4234747, 7699540, 8469494, 15399080, 16938988, 21173735, 33877976, 42347470, 84694940, 169389880]

約数ペア:

[(1, 169389880), (2, 84694940), (4, 42347470), (5, 33877976), (8, 21173735), (10, 16938988), (11, 15399080), (20, 8469494), (22, 7699540), (40, 4234747), (44, 3849770), (47, 3604040), (55, 3079816), (88, 1924885), (94, 1802020), (110, 1539908), (188, 901010), (220, 769954), (235, 720808), (376, 450505), (440, 384977), (470, 360404), (517, 327640), (940, 180202), (1034, 163820), (1880, 90101), (2068, 81910), (2585, 65528), (4136, 40955), (5170, 32764), (8191, 20680), (10340, 16382)]