139998760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{318179}}^1$

素因数の和:318201

約数の個数: 32

約数和(自身を含む): 343634400

約数和(自身を除く): 203635640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 318179, 636358, 1272716, 1590895, 2545432, 3181790, 3499969, 6363580, 6999938, 12727160, 13999876, 17499845, 27999752, 34999690, 69999380, 139998760]

約数ペア:

[(1, 139998760), (2, 69999380), (4, 34999690), (5, 27999752), (8, 17499845), (10, 13999876), (11, 12727160), (20, 6999938), (22, 6363580), (40, 3499969), (44, 3181790), (55, 2545432), (88, 1590895), (110, 1272716), (220, 636358), (440, 318179)]