2104850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 4419360

約数和(自身を除く): 2314510

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 89, 110, 178, 215, 275, 430, 445, 473, 550, 890, 946, 979, 1075, 1958, 2150, 2225, 2365, 3827, 4450, 4730, 4895, 7654, 9790, 11825, 19135, 23650, 24475, 38270, 42097, 48950, 84194, 95675, 191350, 210485, 420970, 1052425, 2104850]

約数ペア:

[(1, 2104850), (2, 1052425), (5, 420970), (10, 210485), (11, 191350), (22, 95675), (25, 84194), (43, 48950), (50, 42097), (55, 38270), (86, 24475), (89, 23650), (110, 19135), (178, 11825), (215, 9790), (275, 7654), (430, 4895), (445, 4730), (473, 4450), (550, 3827), (890, 2365), (946, 2225), (979, 2150), (1075, 1958)]