1209560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2749}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 2970000

約数和(自身を除く): 1760440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2749, 5498, 10996, 13745, 21992, 27490, 30239, 54980, 60478, 109960, 120956, 151195, 241912, 302390, 604780, 1209560]

約数ペア:

[(1, 1209560), (2, 604780), (4, 302390), (5, 241912), (8, 151195), (10, 120956), (11, 109960), (20, 60478), (22, 54980), (40, 30239), (44, 27490), (55, 21992), (88, 13745), (110, 10996), (220, 5498), (440, 2749)]