189660380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14887}}^1$

素因数の和:14923

約数の個数: 72

約数和(自身を含む): 498986208

約数和(自身を除く): 309325828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 14887, 29774, 59548, 74435, 104209, 148870, 193531, 208418, 297740, 387062, 416836, 521045, 729463, 774124, 967655, 1042090, 1354717, 1458926, 1935310, 2084180, 2709434, 2917852, 3647315, 3870620, 5418868, 6773585, 7294630, 9483019, 13547170, 14589260, 18966038, 27094340, 37932076, 47415095, 94830190, 189660380]

約数ペア:

[(1, 189660380), (2, 94830190), (4, 47415095), (5, 37932076), (7, 27094340), (10, 18966038), (13, 14589260), (14, 13547170), (20, 9483019), (26, 7294630), (28, 6773585), (35, 5418868), (49, 3870620), (52, 3647315), (65, 2917852), (70, 2709434), (91, 2084180), (98, 1935310), (130, 1458926), (140, 1354717), (182, 1042090), (196, 967655), (245, 774124), (260, 729463), (364, 521045), (455, 416836), (490, 387062), (637, 297740), (910, 208418), (980, 193531), (1274, 148870), (1820, 104209), (2548, 74435), (3185, 59548), (6370, 29774), (12740, 14887)]