199400920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{46589}}^1$

素因数の和:46707

約数の個数: 32

約数和(自身を含む): 452854800

約数和(自身を除く): 253453880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 46589, 93178, 186356, 232945, 372712, 465890, 931780, 1863560, 4985023, 9970046, 19940092, 24925115, 39880184, 49850230, 99700460, 199400920]

約数ペア:

[(1, 199400920), (2, 99700460), (4, 49850230), (5, 39880184), (8, 24925115), (10, 19940092), (20, 9970046), (40, 4985023), (107, 1863560), (214, 931780), (428, 465890), (535, 372712), (856, 232945), (1070, 186356), (2140, 93178), (4280, 46589)]