1609920140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1\times {\mathrm{1753}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 3458270592

約数和(自身を除く): 1848350452

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 977, 1753, 1954, 3506, 3908, 4885, 7012, 8765, 9770, 17530, 19540, 35060, 45919, 82391, 91838, 164782, 183676, 229595, 329564, 411955, 459190, 823910, 918380, 1647820, 1712681, 3425362, 6850724, 8563405, 17126810, 34253620, 80496007, 160992014, 321984028, 402480035, 804960070, 1609920140]

約数ペア:

[(1, 1609920140), (2, 804960070), (4, 402480035), (5, 321984028), (10, 160992014), (20, 80496007), (47, 34253620), (94, 17126810), (188, 8563405), (235, 6850724), (470, 3425362), (940, 1712681), (977, 1647820), (1753, 918380), (1954, 823910), (3506, 459190), (3908, 411955), (4885, 329564), (7012, 229595), (8765, 183676), (9770, 164782), (17530, 91838), (19540, 82391), (35060, 45919)]