858104680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2246

約数の個数: 64

約数和(自身を含む): 1969506000

約数和(自身を除く): 1111401320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 109, 194, 218, 388, 436, 485, 545, 776, 872, 970, 1090, 1940, 2029, 2180, 3880, 4058, 4360, 8116, 10145, 10573, 16232, 20290, 21146, 40580, 42292, 52865, 81160, 84584, 105730, 196813, 211460, 221161, 393626, 422920, 442322, 787252, 884644, 984065, 1105805, 1574504, 1769288, 1968130, 2211610, 3936260, 4423220, 7872520, 8846440, 21452617, 42905234, 85810468, 107263085, 171620936, 214526170, 429052340, 858104680]

約数ペア:

[(1, 858104680), (2, 429052340), (4, 214526170), (5, 171620936), (8, 107263085), (10, 85810468), (20, 42905234), (40, 21452617), (97, 8846440), (109, 7872520), (194, 4423220), (218, 3936260), (388, 2211610), (436, 1968130), (485, 1769288), (545, 1574504), (776, 1105805), (872, 984065), (970, 884644), (1090, 787252), (1940, 442322), (2029, 422920), (2180, 393626), (3880, 221161), (4058, 211460), (4360, 196813), (8116, 105730), (10145, 84584), (10573, 81160), (16232, 52865), (20290, 42292), (21146, 40580)]