1894640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2153}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 4807728

約数和(自身を除く): 2913088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2153, 4306, 8612, 10765, 17224, 21530, 23683, 34448, 43060, 47366, 86120, 94732, 118415, 172240, 189464, 236830, 378928, 473660, 947320, 1894640]

約数ペア:

[(1, 1894640), (2, 947320), (4, 473660), (5, 378928), (8, 236830), (10, 189464), (11, 172240), (16, 118415), (20, 94732), (22, 86120), (40, 47366), (44, 43060), (55, 34448), (80, 23683), (88, 21530), (110, 17224), (176, 10765), (220, 8612), (440, 4306), (880, 2153)]