189892280

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{13681}}^1$

素因数の和:14039

約数の個数: 32

約数和(自身を含む): 428520240

約数和(自身を除く): 238627960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13681, 13880, 27362, 54724, 68405, 109448, 136810, 273620, 547240, 4747307, 9494614, 18989228, 23736535, 37978456, 47473070, 94946140, 189892280]

約数ペア:

[(1, 189892280), (2, 94946140), (4, 47473070), (5, 37978456), (8, 23736535), (10, 18989228), (20, 9494614), (40, 4747307), (347, 547240), (694, 273620), (1388, 136810), (1735, 109448), (2776, 68405), (3470, 54724), (6940, 27362), (13681, 13880)]