1931361880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97151}}^1$

素因数の和:97240

約数の個数: 64

約数和(自身を含む): 5036359680

約数和(自身を除く): 3104997800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 97151, 194302, 388604, 485755, 680057, 777208, 971510, 1360114, 1943020, 2720228, 3400285, 3886040, 5440456, 6800570, 6897721, 13601140, 13795442, 27202280, 27590884, 34488605, 48284047, 55181768, 68977210, 96568094, 137954420, 193136188, 241420235, 275908840, 386272376, 482840470, 965680940, 1931361880]

約数ペア:

[(1, 1931361880), (2, 965680940), (4, 482840470), (5, 386272376), (7, 275908840), (8, 241420235), (10, 193136188), (14, 137954420), (20, 96568094), (28, 68977210), (35, 55181768), (40, 48284047), (56, 34488605), (70, 27590884), (71, 27202280), (140, 13795442), (142, 13601140), (280, 6897721), (284, 6800570), (355, 5440456), (497, 3886040), (568, 3400285), (710, 2720228), (994, 1943020), (1420, 1360114), (1988, 971510), (2485, 777208), (2840, 680057), (3976, 485755), (4970, 388604), (9940, 194302), (19880, 97151)]