9997180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 22224384

約数和(自身を除く): 12227204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 211, 230, 412, 422, 460, 515, 844, 1030, 1055, 2060, 2110, 2369, 4220, 4738, 4853, 9476, 9706, 11845, 19412, 21733, 23690, 24265, 43466, 47380, 48530, 86932, 97060, 108665, 217330, 434660, 499859, 999718, 1999436, 2499295, 4998590, 9997180]

約数ペア:

[(1, 9997180), (2, 4998590), (4, 2499295), (5, 1999436), (10, 999718), (20, 499859), (23, 434660), (46, 217330), (92, 108665), (103, 97060), (115, 86932), (206, 48530), (211, 47380), (230, 43466), (412, 24265), (422, 23690), (460, 21733), (515, 19412), (844, 11845), (1030, 9706), (1055, 9476), (2060, 4853), (2110, 4738), (2369, 4220)]