201656380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1871}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 450043776

約数和(自身を除く): 248387396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 317, 340, 634, 1268, 1585, 1871, 3170, 3742, 5389, 6340, 7484, 9355, 10778, 18710, 21556, 26945, 31807, 37420, 53890, 63614, 107780, 127228, 159035, 318070, 593107, 636140, 1186214, 2372428, 2965535, 5931070, 10082819, 11862140, 20165638, 40331276, 50414095, 100828190, 201656380]

約数ペア:

[(1, 201656380), (2, 100828190), (4, 50414095), (5, 40331276), (10, 20165638), (17, 11862140), (20, 10082819), (34, 5931070), (68, 2965535), (85, 2372428), (170, 1186214), (317, 636140), (340, 593107), (634, 318070), (1268, 159035), (1585, 127228), (1871, 107780), (3170, 63614), (3742, 53890), (5389, 37420), (6340, 31807), (7484, 26945), (9355, 21556), (10778, 18710)]