208988891990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2053}}^1\times {\mathrm{3671}}^1$

素因数の和:5837

約数の個数: 64

約数和(自身を含む): 390992209920

約数和(自身を除く): 182003317930

約数列:

[1, 2, 5, 10, 47, 59, 94, 118, 235, 295, 470, 590, 2053, 2773, 3671, 4106, 5546, 7342, 10265, 13865, 18355, 20530, 27730, 36710, 96491, 121127, 172537, 192982, 216589, 242254, 345074, 433178, 482455, 605635, 862685, 964910, 1082945, 1211270, 1725370, 2165890, 5692969, 7536563, 10179683, 11385938, 15073126, 20359366, 28464845, 37682815, 50898415, 56929690, 75365630, 101796830, 354218461, 444657217, 708436922, 889314434, 1771092305, 2223286085, 3542184610, 4446572170, 20898889199, 41797778398, 104494445995, 208988891990]

約数ペア:

[(1, 208988891990), (2, 104494445995), (5, 41797778398), (10, 20898889199), (47, 4446572170), (59, 3542184610), (94, 2223286085), (118, 1771092305), (235, 889314434), (295, 708436922), (470, 444657217), (590, 354218461), (2053, 101796830), (2773, 75365630), (3671, 56929690), (4106, 50898415), (5546, 37682815), (7342, 28464845), (10265, 20359366), (13865, 15073126), (18355, 11385938), (20530, 10179683), (27730, 7536563), (36710, 5692969), (96491, 2165890), (121127, 1725370), (172537, 1211270), (192982, 1082945), (216589, 964910), (242254, 862685), (345074, 605635), (433178, 482455)]