381040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 968688

約数和(自身を除く): 587648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 433, 440, 866, 880, 1732, 2165, 3464, 4330, 4763, 6928, 8660, 9526, 17320, 19052, 23815, 34640, 38104, 47630, 76208, 95260, 190520, 381040]

約数ペア:

[(1, 381040), (2, 190520), (4, 95260), (5, 76208), (8, 47630), (10, 38104), (11, 34640), (16, 23815), (20, 19052), (22, 17320), (40, 9526), (44, 8660), (55, 6928), (80, 4763), (88, 4330), (110, 3464), (176, 2165), (220, 1732), (433, 880), (440, 866)]