198227680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{176989}}^1$

素因数の和:177011

約数の個数: 48

約数和(自身を含む): 535217760

約数和(自身を除く): 336990080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 176989, 353978, 707956, 884945, 1238923, 1415912, 1769890, 2477846, 2831824, 3539780, 4955692, 5663648, 6194615, 7079560, 9911384, 12389230, 14159120, 19822768, 24778460, 28318240, 39645536, 49556920, 99113840, 198227680]

約数ペア:

[(1, 198227680), (2, 99113840), (4, 49556920), (5, 39645536), (7, 28318240), (8, 24778460), (10, 19822768), (14, 14159120), (16, 12389230), (20, 9911384), (28, 7079560), (32, 6194615), (35, 5663648), (40, 4955692), (56, 3539780), (70, 2831824), (80, 2477846), (112, 1769890), (140, 1415912), (160, 1238923), (224, 884945), (280, 707956), (560, 353978), (1120, 176989)]