420970

素因数分解:

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

素因数の和:150

約数の個数: 32

約数和(自身を含む): 855360

約数和(自身を除く): 434390

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 89, 110, 178, 215, 430, 445, 473, 890, 946, 979, 1958, 2365, 3827, 4730, 4895, 7654, 9790, 19135, 38270, 42097, 84194, 210485, 420970]

約数ペア:

[(1, 420970), (2, 210485), (5, 84194), (10, 42097), (11, 38270), (22, 19135), (43, 9790), (55, 7654), (86, 4895), (89, 4730), (110, 3827), (178, 2365), (215, 1958), (430, 979), (445, 946), (473, 890)]