217467730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{15679}}^1$

素因数の和:15778

約数の個数: 32

約数和(自身を含む): 417715200

約数和(自身を除く): 200247470

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 6935, 13870, 15679, 31358, 78395, 156790, 297901, 595802, 1144567, 1489505, 2289134, 2979010, 5722835, 11445670, 21746773, 43493546, 108733865, 217467730]

約数ペア:

[(1, 217467730), (2, 108733865), (5, 43493546), (10, 21746773), (19, 11445670), (38, 5722835), (73, 2979010), (95, 2289134), (146, 1489505), (190, 1144567), (365, 595802), (730, 297901), (1387, 156790), (2774, 78395), (6935, 31358), (13870, 15679)]